./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 ff03de63 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-ff03de6 [2021-12-21 16:24:45,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:24:45,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:24:45,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:24:45,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:24:45,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:24:45,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:24:45,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:24:45,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:24:45,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:24:45,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:24:45,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:24:45,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:24:45,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:24:45,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:24:45,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:24:45,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:24:45,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:24:45,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:24:45,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:24:45,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:24:45,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:24:45,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:24:45,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:24:45,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:24:45,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:24:45,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:24:45,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:24:45,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:24:45,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:24:45,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:24:45,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:24:45,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:24:45,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:24:45,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:24:45,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:24:45,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:24:45,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:24:45,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:24:45,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:24:45,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:24:45,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:24:45,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:24:45,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:24:45,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:24:45,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:24:45,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:24:45,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:24:45,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:24:45,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:24:45,792 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:24:45,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:24:45,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:24:45,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:24:45,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:24:45,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:24:45,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:24:45,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:24:45,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:24:45,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:24:45,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:24:45,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:24:45,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:24:45,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:24:45,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:24:45,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:24:45,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:24:45,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:24:45,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:24:45,795 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:24:45,796 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:24:45,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:24:45,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:24:45,796 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2021-12-21 16:24:45,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:24:45,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:24:45,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:24:45,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:24:45,993 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:24:45,994 INFO L432 ainManager$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 [2021-12-21 16:24:46,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce326d5c3/1b858b47e37548598ada0db56d4ba58b/FLAG8127d7297 [2021-12-21 16:24:46,667 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:24:46,668 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 [2021-12-21 16:24:46,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce326d5c3/1b858b47e37548598ada0db56d4ba58b/FLAG8127d7297 [2021-12-21 16:24:47,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce326d5c3/1b858b47e37548598ada0db56d4ba58b [2021-12-21 16:24:47,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:24:47,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:24:47,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:24:47,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:24:47,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:24:47,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:24:47" (1/1) ... [2021-12-21 16:24:47,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5f6e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:47, skipping insertion in model container [2021-12-21 16:24:47,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:24:47" (1/1) ... [2021-12-21 16:24:47,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:24:47,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:24:48,770 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] [2021-12-21 16:24:48,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:24:48,883 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:24:49,188 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] [2021-12-21 16:24:49,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:24:49,265 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:24:49,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49 WrapperNode [2021-12-21 16:24:49,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:24:49,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:24:49,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:24:49,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:24:49,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49" (1/1) ... [2021-12-21 16:24:49,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49" (1/1) ... [2021-12-21 16:24:49,585 INFO L137 Inliner]: procedures = 371, calls = 4454, calls flagged for inlining = 165, calls inlined = 164, statements flattened = 10052 [2021-12-21 16:24:49,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:24:49,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:24:49,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:24:49,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:24:49,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49" (1/1) ... [2021-12-21 16:24:49,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49" (1/1) ... [2021-12-21 16:24:49,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49" (1/1) ... [2021-12-21 16:24:49,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49" (1/1) ... [2021-12-21 16:24:49,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49" (1/1) ... [2021-12-21 16:24:49,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49" (1/1) ... [2021-12-21 16:24:49,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49" (1/1) ... [2021-12-21 16:24:49,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:24:49,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:24:49,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:24:49,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:24:49,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49" (1/1) ... [2021-12-21 16:24:49,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:24:49,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:24:49,987 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) [2021-12-21 16:24:49,996 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 [2021-12-21 16:24:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-21 16:24:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-21 16:24:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2021-12-21 16:24:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2021-12-21 16:24:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2021-12-21 16:24:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2021-12-21 16:24:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2021-12-21 16:24:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2021-12-21 16:24:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2021-12-21 16:24:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2021-12-21 16:24:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-21 16:24:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-21 16:24:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2021-12-21 16:24:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2021-12-21 16:24:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-12-21 16:24:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-12-21 16:24:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:24:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:24:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:24:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:24:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:24:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:24:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2021-12-21 16:24:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2021-12-21 16:24:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2021-12-21 16:24:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2021-12-21 16:24:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2021-12-21 16:24:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2021-12-21 16:24:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2021-12-21 16:24:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2021-12-21 16:24:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2021-12-21 16:24:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2021-12-21 16:24:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2021-12-21 16:24:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2021-12-21 16:24:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2021-12-21 16:24:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2021-12-21 16:24:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-21 16:24:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-21 16:24:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2021-12-21 16:24:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2021-12-21 16:24:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:24:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:24:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2021-12-21 16:24:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2021-12-21 16:24:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-21 16:24:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-21 16:24:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2021-12-21 16:24:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2021-12-21 16:24:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2021-12-21 16:24:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2021-12-21 16:24:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2021-12-21 16:24:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2021-12-21 16:24:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:24:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:24:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:24:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:24:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:24:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:24:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2021-12-21 16:24:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2021-12-21 16:24:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2021-12-21 16:24:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2021-12-21 16:24:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2021-12-21 16:24:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2021-12-21 16:24:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-21 16:24:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-21 16:24:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2021-12-21 16:24:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2021-12-21 16:24:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:24:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:24:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2021-12-21 16:24:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2021-12-21 16:24:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-21 16:24:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-21 16:24:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:24:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:24:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:24:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:24:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2021-12-21 16:24:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2021-12-21 16:24:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2021-12-21 16:24:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2021-12-21 16:24:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:24:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:24:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2021-12-21 16:24:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2021-12-21 16:24:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2021-12-21 16:24:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2021-12-21 16:24:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-12-21 16:24:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-12-21 16:24:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-21 16:24:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-21 16:24:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2021-12-21 16:24:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2021-12-21 16:24:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:24:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:24:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:24:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2021-12-21 16:24:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2021-12-21 16:24:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-21 16:24:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2021-12-21 16:24:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2021-12-21 16:24:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2021-12-21 16:24:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2021-12-21 16:24:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2021-12-21 16:24:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2021-12-21 16:24:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2021-12-21 16:24:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2021-12-21 16:24:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2021-12-21 16:24:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2021-12-21 16:24:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:24:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2021-12-21 16:24:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2021-12-21 16:24:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-21 16:24:50,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-21 16:24:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-21 16:24:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-12-21 16:24:50,037 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-12-21 16:24:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:24:50,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:24:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2021-12-21 16:24:50,040 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2021-12-21 16:24:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-21 16:24:50,041 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-21 16:24:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2021-12-21 16:24:50,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2021-12-21 16:24:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-21 16:24:50,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-21 16:24:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:24:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:24:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-21 16:24:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-21 16:24:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2021-12-21 16:24:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2021-12-21 16:24:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2021-12-21 16:24:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2021-12-21 16:24:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2021-12-21 16:24:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2021-12-21 16:24:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-21 16:24:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-21 16:24:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:24:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:24:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-21 16:24:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-21 16:24:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-21 16:24:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-21 16:24:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:24:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:24:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2021-12-21 16:24:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2021-12-21 16:24:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:24:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:24:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-12-21 16:24:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-12-21 16:24:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:24:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:24:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2021-12-21 16:24:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2021-12-21 16:24:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:24:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:24:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2021-12-21 16:24:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2021-12-21 16:24:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2021-12-21 16:24:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2021-12-21 16:24:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:24:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-21 16:24:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-21 16:24:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2021-12-21 16:24:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2021-12-21 16:24:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:24:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:24:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:24:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2021-12-21 16:24:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2021-12-21 16:24:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2021-12-21 16:24:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2021-12-21 16:24:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2021-12-21 16:24:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2021-12-21 16:24:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-21 16:24:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-21 16:24:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:24:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2021-12-21 16:24:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2021-12-21 16:24:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:24:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:24:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2021-12-21 16:24:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2021-12-21 16:24:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2021-12-21 16:24:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2021-12-21 16:24:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-21 16:24:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-21 16:24:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2021-12-21 16:24:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2021-12-21 16:24:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:24:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:24:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-21 16:24:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-21 16:24:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2021-12-21 16:24:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2021-12-21 16:24:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-21 16:24:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-21 16:24:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:24:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-21 16:24:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-21 16:24:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2021-12-21 16:24:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2021-12-21 16:24:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2021-12-21 16:24:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2021-12-21 16:24:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-21 16:24:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-21 16:24:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-21 16:24:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-21 16:24:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:24:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:24:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-21 16:24:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-21 16:24:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:24:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:24:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:24:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2021-12-21 16:24:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2021-12-21 16:24:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:24:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:24:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 16:24:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 16:24:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:24:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2021-12-21 16:24:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2021-12-21 16:24:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-21 16:24:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-21 16:24:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-21 16:24:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-21 16:24:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-21 16:24:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-21 16:24:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:24:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2021-12-21 16:24:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2021-12-21 16:24:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-21 16:24:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-21 16:24:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:24:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:24:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:24:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-12-21 16:24:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-12-21 16:24:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-21 16:24:50,059 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-21 16:24:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2021-12-21 16:24:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2021-12-21 16:24:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:24:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:24:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2021-12-21 16:24:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2021-12-21 16:24:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2021-12-21 16:24:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2021-12-21 16:24:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2021-12-21 16:24:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2021-12-21 16:24:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-21 16:24:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-21 16:24:50,063 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2021-12-21 16:24:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2021-12-21 16:24:50,063 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 16:24:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 16:24:50,063 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2021-12-21 16:24:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2021-12-21 16:24:50,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-21 16:24:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-21 16:24:50,063 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-21 16:24:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-21 16:24:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2021-12-21 16:24:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2021-12-21 16:24:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:24:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:24:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2021-12-21 16:24:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2021-12-21 16:24:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-21 16:24:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-21 16:24:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2021-12-21 16:24:50,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2021-12-21 16:24:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2021-12-21 16:24:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2021-12-21 16:24:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:24:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:24:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2021-12-21 16:24:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2021-12-21 16:24:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:24:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:24:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-21 16:24:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-21 16:24:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2021-12-21 16:24:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2021-12-21 16:24:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-21 16:24:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-21 16:24:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2021-12-21 16:24:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2021-12-21 16:24:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:24:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:24:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2021-12-21 16:24:50,066 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2021-12-21 16:24:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2021-12-21 16:24:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2021-12-21 16:24:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:24:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2021-12-21 16:24:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2021-12-21 16:24:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2021-12-21 16:24:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2021-12-21 16:24:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:24:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:24:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-21 16:24:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-21 16:24:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:24:50,068 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:24:51,132 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:24:51,140 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:24:51,521 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:25:13,217 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:25:13,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:25:13,239 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:25:13,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:25:13 BoogieIcfgContainer [2021-12-21 16:25:13,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:25:13,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:25:13,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:25:13,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:25:13,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:24:47" (1/3) ... [2021-12-21 16:25:13,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517daf8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:25:13, skipping insertion in model container [2021-12-21 16:25:13,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:24:49" (2/3) ... [2021-12-21 16:25:13,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517daf8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:25:13, skipping insertion in model container [2021-12-21 16:25:13,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:25:13" (3/3) ... [2021-12-21 16:25:13,249 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2021-12-21 16:25:13,256 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:25:13,256 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:25:13,301 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:25:13,306 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 [2021-12-21 16:25:13,306 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:25:13,369 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) [2021-12-21 16:25:13,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-12-21 16:25:13,388 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:25:13,389 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] [2021-12-21 16:25:13,390 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:25:13,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:25:13,393 INFO L85 PathProgramCache]: Analyzing trace with hash 959065383, now seen corresponding path program 1 times [2021-12-21 16:25:13,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:25:13,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891789381] [2021-12-21 16:25:13,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:25:13,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:25:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:25:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:25:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:25:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:25:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:25:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:25:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:25:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:25:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:25:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:25:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:25:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:25:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-21 16:25:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-21 16:25:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-21 16:25:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-21 16:25:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 16:25:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:25:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-21 16:25:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-21 16:25:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-21 16:25:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-21 16:25:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-21 16:25:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-21 16:25:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-21 16:25:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-21 16:25:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-21 16:25:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-21 16:25:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-21 16:25:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:25:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:25:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2021-12-21 16:25:14,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:25:14,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891789381] [2021-12-21 16:25:14,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891789381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:25:14,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:25:14,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:25:14,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134162805] [2021-12-21 16:25:14,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:25:14,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:25:14,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:25:15,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:25:15,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:25:15,013 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) [2021-12-21 16:25:19,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:24,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:26,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:29,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:32,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:34,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:40,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:42,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:45,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:49,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:51,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:53,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:25:55,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []