./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-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-32_7a-drivers--infiniband--core--ib_cm.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 a38a97bc3461038e7e87049558558d95f8c77458c13b5d18555ac11c93e401e9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:17:28,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:17:28,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:17:28,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:17:28,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:17:28,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:17:28,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:17:28,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:17:28,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:17:28,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:17:28,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:17:28,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:17:28,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:17:28,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:17:28,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:17:28,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:17:28,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:17:28,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:17:28,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:17:28,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:17:28,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:17:28,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:17:28,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:17:28,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:17:28,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:17:28,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:17:28,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:17:28,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:17:28,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:17:28,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:17:28,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:17:28,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:17:28,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:17:28,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:17:28,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:17:28,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:17:28,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:17:28,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:17:28,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:17:28,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:17:28,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:17:28,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:17:28,435 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:17:28,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:17:28,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:17:28,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:17:28,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:17:28,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:17:28,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:17:28,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:17:28,439 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:17:28,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:17:28,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:17:28,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:17:28,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:17:28,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:17:28,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:17:28,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:17:28,441 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:17:28,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:17:28,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:17:28,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:17:28,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:17:28,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:17:28,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:17:28,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:17:28,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:17:28,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:17:28,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:17:28,449 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:17:28,449 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:17:28,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:17:28,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a38a97bc3461038e7e87049558558d95f8c77458c13b5d18555ac11c93e401e9 [2021-12-28 04:17:28,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:17:28,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:17:28,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:17:28,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:17:28,821 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:17:28,823 INFO L432 ainManager$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-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2021-12-28 04:17:28,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2e2e27d9/736ad24444d14cc29bf3bf48e7ef6ddc/FLAG4affbffd4 [2021-12-28 04:17:29,812 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:17:29,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2021-12-28 04:17:29,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2e2e27d9/736ad24444d14cc29bf3bf48e7ef6ddc/FLAG4affbffd4 [2021-12-28 04:17:30,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2e2e27d9/736ad24444d14cc29bf3bf48e7ef6ddc [2021-12-28 04:17:30,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:17:30,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:17:30,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:17:30,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:17:30,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:17:30,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:17:30" (1/1) ... [2021-12-28 04:17:30,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7961a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:30, skipping insertion in model container [2021-12-28 04:17:30,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:17:30" (1/1) ... [2021-12-28 04:17:30,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:17:30,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:17:34,648 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-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i[405405,405418] [2021-12-28 04:17:34,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:17:34,899 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:17:35,497 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-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i[405405,405418] [2021-12-28 04:17:35,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:17:35,685 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:17:35,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35 WrapperNode [2021-12-28 04:17:35,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:17:35,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:17:35,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:17:35,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:17:35,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35" (1/1) ... [2021-12-28 04:17:35,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35" (1/1) ... [2021-12-28 04:17:36,094 INFO L137 Inliner]: procedures = 441, calls = 4362, calls flagged for inlining = 207, calls inlined = 185, statements flattened = 7900 [2021-12-28 04:17:36,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:17:36,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:17:36,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:17:36,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:17:36,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35" (1/1) ... [2021-12-28 04:17:36,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35" (1/1) ... [2021-12-28 04:17:36,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35" (1/1) ... [2021-12-28 04:17:36,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35" (1/1) ... [2021-12-28 04:17:36,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35" (1/1) ... [2021-12-28 04:17:36,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35" (1/1) ... [2021-12-28 04:17:36,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35" (1/1) ... [2021-12-28 04:17:36,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:17:36,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:17:36,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:17:36,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:17:36,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35" (1/1) ... [2021-12-28 04:17:36,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:17:36,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:17:36,741 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) [2021-12-28 04:17:36,747 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 [2021-12-28 04:17:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:17:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:17:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure cm_deref_id [2021-12-28 04:17:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_deref_id [2021-12-28 04:17:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reset_to_idle [2021-12-28 04:17:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reset_to_idle [2021-12-28 04:17:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:17:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:17:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2021-12-28 04:17:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2021-12-28 04:17:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure be64_gt [2021-12-28 04:17:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_gt [2021-12-28 04:17:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2021-12-28 04:17:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2021-12-28 04:17:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-28 04:17:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-28 04:17:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure cm_process_work [2021-12-28 04:17:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_process_work [2021-12-28 04:17:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:17:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:17:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure cm_ack_timeout [2021-12-28 04:17:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_ack_timeout [2021-12-28 04:17:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reject_sidr_req [2021-12-28 04:17:36,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reject_sidr_req [2021-12-28 04:17:36,786 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rej [2021-12-28 04:17:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rej [2021-12-28 04:17:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure cm_set_private_data [2021-12-28 04:17:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_set_private_data [2021-12-28 04:17:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2021-12-28 04:17:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2021-12-28 04:17:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_qpn [2021-12-28 04:17:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_qpn [2021-12-28 04:17:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure cm_get_id [2021-12-28 04:17:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_get_id [2021-12-28 04:17:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_response_msg [2021-12-28 04:17:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_response_msg [2021-12-28 04:17:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-28 04:17:36,788 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-28 04:17:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_service_timeout [2021-12-28 04:17:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_service_timeout [2021-12-28 04:17:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mask_copy [2021-12-28 04:17:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mask_copy [2021-12-28 04:17:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:17:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:17:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:17:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_resp_res [2021-12-28 04:17:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_resp_res [2021-12-28 04:17:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_reject_info_len [2021-12-28 04:17:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_reject_info_len [2021-12-28 04:17:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure cm_enter_timewait [2021-12-28 04:17:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_enter_timewait [2021-12-28 04:17:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:17:36,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:17:36,792 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:17:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:17:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:17:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_drep [2021-12-28 04:17:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_drep [2021-12-28 04:17:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2021-12-28 04:17:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2021-12-28 04:17:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:17:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:17:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2021-12-28 04:17:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2021-12-28 04:17:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:17:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:17:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2021-12-28 04:17:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2021-12-28 04:17:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:17:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:17:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:17:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_alt_sl [2021-12-28 04:17:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_alt_sl [2021-12-28 04:17:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_cap_ib_cm [2021-12-28 04:17:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_cap_ib_cm [2021-12-28 04:17:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure cm_create_timewait_info [2021-12-28 04:17:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_create_timewait_info [2021-12-28 04:17:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:17:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:17:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:17:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_rnr_retry_count [2021-12-28 04:17:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_rnr_retry_count [2021-12-28 04:17:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:17:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2021-12-28 04:17:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2021-12-28 04:17:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:17:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:17:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure cm_destroy_id [2021-12-28 04:17:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_destroy_id [2021-12-28 04:17:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:17:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:17:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-28 04:17:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-28 04:17:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:17:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:17:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_starting_psn [2021-12-28 04:17:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_starting_psn [2021-12-28 04:17:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:17:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mra [2021-12-28 04:17:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mra [2021-12-28 04:17:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure cm_convert_to_ms [2021-12-28 04:17:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_convert_to_ms [2021-12-28 04:17:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure cm_find_listen [2021-12-28 04:17:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_find_listen [2021-12-28 04:17:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:17:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2021-12-28 04:17:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2021-12-28 04:17:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_recv_mad [2021-12-28 04:17:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_recv_mad [2021-12-28 04:17:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:17:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:17:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_qpn [2021-12-28 04:17:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_qpn [2021-12-28 04:17:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-28 04:17:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-28 04:17:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2021-12-28 04:17:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2021-12-28 04:17:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_path_mtu [2021-12-28 04:17:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_path_mtu [2021-12-28 04:17:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2021-12-28 04:17:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2021-12-28 04:17:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_primary_sl [2021-12-28 04:17:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_primary_sl [2021-12-28 04:17:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-12-28 04:17:36,811 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-12-28 04:17:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2021-12-28 04:17:36,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2021-12-28 04:17:36,812 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:17:36,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:17:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-28 04:17:36,818 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-28 04:17:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_mad [2021-12-28 04:17:36,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_mad [2021-12-28 04:17:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_target_ack_delay [2021-12-28 04:17:36,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_target_ack_delay [2021-12-28 04:17:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:17:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:17:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cm_id [2021-12-28 04:17:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cm_id [2021-12-28 04:17:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:17:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:17:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 04:17:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 04:17:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_msg [2021-12-28 04:17:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_msg [2021-12-28 04:17:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:17:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:17:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:17:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:17:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_qpn [2021-12-28 04:17:36,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_qpn [2021-12-28 04:17:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure cm_work_handler [2021-12-28 04:17:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_work_handler [2021-12-28 04:17:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_send_mad [2021-12-28 04:17:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_send_mad [2021-12-28 04:17:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-28 04:17:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-28 04:17:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mad_hdr [2021-12-28 04:17:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mad_hdr [2021-12-28 04:17:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_msg_mraed [2021-12-28 04:17:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_msg_mraed [2021-12-28 04:17:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_msg_rejected [2021-12-28 04:17:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_msg_rejected [2021-12-28 04:17:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:17:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:17:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-28 04:17:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-28 04:17:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rtu [2021-12-28 04:17:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rtu [2021-12-28 04:17:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure cm_dequeue_work [2021-12-28 04:17:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_dequeue_work [2021-12-28 04:17:36,823 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_rnr_retry_count [2021-12-28 04:17:36,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_rnr_retry_count [2021-12-28 04:17:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:17:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:17:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure be32_lt [2021-12-28 04:17:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_lt [2021-12-28 04:17:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_retry_count [2021-12-28 04:17:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_retry_count [2021-12-28 04:17:36,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:17:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:17:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_for_response [2021-12-28 04:17:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_for_response [2021-12-28 04:17:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_init_depth [2021-12-28 04:17:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_init_depth [2021-12-28 04:17:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-28 04:17:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-28 04:17:36,825 INFO L130 BoogieDeclarations]: Found specification of procedure cm_remove_port_fs [2021-12-28 04:17:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_remove_port_fs [2021-12-28 04:17:36,826 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_msg [2021-12-28 04:17:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_msg [2021-12-28 04:17:36,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:17:36,826 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:17:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:17:36,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:17:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-28 04:17:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-28 04:17:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_port [2021-12-28 04:17:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_port [2021-12-28 04:17:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:17:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:17:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:17:36,827 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 04:17:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 04:17:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 04:17:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 04:17:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_cm_id [2021-12-28 04:17:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_cm_id [2021-12-28 04:17:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:17:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:17:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_qp_type [2021-12-28 04:17:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_qp_type [2021-12-28 04:17:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-28 04:17:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-28 04:17:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure cm_cleanup_timewait [2021-12-28 04:17:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_cleanup_timewait [2021-12-28 04:17:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_by_path [2021-12-28 04:17:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_by_path [2021-12-28 04:17:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure be32_gt [2021-12-28 04:17:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_gt [2021-12-28 04:17:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_work [2021-12-28 04:17:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_work [2021-12-28 04:17:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_rej [2021-12-28 04:17:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_rej [2021-12-28 04:17:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_id [2021-12-28 04:17:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_id [2021-12-28 04:17:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:17:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:17:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:17:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-28 04:17:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-28 04:17:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:17:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:17:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send_mad [2021-12-28 04:17:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send_mad [2021-12-28 04:17:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2021-12-28 04:17:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2021-12-28 04:17:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 04:17:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 04:17:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2021-12-28 04:17:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2021-12-28 04:17:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_starting_psn [2021-12-28 04:17:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_starting_psn [2021-12-28 04:17:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure cm_copy_private_data [2021-12-28 04:17:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_copy_private_data [2021-12-28 04:17:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_resp_timeout [2021-12-28 04:17:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_resp_timeout [2021-12-28 04:17:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure cm_form_tid [2021-12-28 04:17:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_form_tid [2021-12-28 04:17:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure cm_acquire_id [2021-12-28 04:17:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_acquire_id [2021-12-28 04:17:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-28 04:17:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-28 04:17:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_sidr_rep [2021-12-28 04:17:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_sidr_rep [2021-12-28 04:17:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:17:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:17:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-28 04:17:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-28 04:17:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_set_srq [2021-12-28 04:17:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_set_srq [2021-12-28 04:17:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure cm_issue_rej [2021-12-28 04:17:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_issue_rej [2021-12-28 04:17:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-28 04:17:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-28 04:17:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure ib_cancel_mad [2021-12-28 04:17:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_cancel_mad [2021-12-28 04:17:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure be64_lt [2021-12-28 04:17:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_lt [2021-12-28 04:17:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure cm_devnode [2021-12-28 04:17:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_devnode [2021-12-28 04:17:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:17:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:17:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:17:37,864 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:17:37,866 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:17:38,010 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:17:58,043 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:17:58,060 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:17:58,060 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:17:58,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:17:58 BoogieIcfgContainer [2021-12-28 04:17:58,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:17:58,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:17:58,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:17:58,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:17:58,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:17:30" (1/3) ... [2021-12-28 04:17:58,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d84b914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:17:58, skipping insertion in model container [2021-12-28 04:17:58,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:17:35" (2/3) ... [2021-12-28 04:17:58,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d84b914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:17:58, skipping insertion in model container [2021-12-28 04:17:58,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:17:58" (3/3) ... [2021-12-28 04:17:58,163 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2021-12-28 04:17:58,167 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:17:58,168 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:17:58,230 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:17:58,247 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 [2021-12-28 04:17:58,249 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:17:58,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 2545 states, 1660 states have (on average 1.2933734939759036) internal successors, (2147), 1736 states have internal predecessors, (2147), 756 states have call successors, (756), 128 states have call predecessors, (756), 127 states have return successors, (746), 723 states have call predecessors, (746), 746 states have call successors, (746) [2021-12-28 04:17:58,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-28 04:17:58,352 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:17:58,354 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:17:58,355 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:17:58,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:17:58,360 INFO L85 PathProgramCache]: Analyzing trace with hash -410089185, now seen corresponding path program 1 times [2021-12-28 04:17:58,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:17:58,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394366489] [2021-12-28 04:17:58,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:17:58,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:17:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:58,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:17:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:17:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:17:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:17:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:17:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:17:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:17:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:17:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:17:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 04:17:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:17:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:17:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-28 04:17:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:17:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-12-28 04:17:59,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:17:59,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394366489] [2021-12-28 04:17:59,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394366489] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:17:59,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:17:59,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:17:59,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867923792] [2021-12-28 04:17:59,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:17:59,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:17:59,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:17:59,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:17:59,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:17:59,681 INFO L87 Difference]: Start difference. First operand has 2545 states, 1660 states have (on average 1.2933734939759036) internal successors, (2147), 1736 states have internal predecessors, (2147), 756 states have call successors, (756), 128 states have call predecessors, (756), 127 states have return successors, (746), 723 states have call predecessors, (746), 746 states have call successors, (746) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:18:04,233 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 [] [2021-12-28 04:18:10,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:18:12,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:18:15,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:18:17,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:18:17,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:18:17,834 INFO L93 Difference]: Finished difference Result 5616 states and 8417 transitions. [2021-12-28 04:18:17,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:18:17,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 187 [2021-12-28 04:18:17,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:18:17,887 INFO L225 Difference]: With dead ends: 5616 [2021-12-28 04:18:17,887 INFO L226 Difference]: Without dead ends: 3056 [2021-12-28 04:18:17,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:18:17,945 INFO L933 BasicCegarLoop]: 3484 mSDtfsCounter, 1518 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 2197 mSolverCounterSat, 1965 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 5295 SdHoareTripleChecker+Invalid, 4167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1965 IncrementalHoareTripleChecker+Valid, 2197 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:18:17,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 5295 Invalid, 4167 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1965 Valid, 2197 Invalid, 5 Unknown, 0 Unchecked, 17.6s Time] [2021-12-28 04:18:17,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2021-12-28 04:18:18,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 2526. [2021-12-28 04:18:18,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2526 states, 1653 states have (on average 1.2855414398064127) internal successors, (2125), 1717 states have internal predecessors, (2125), 746 states have call successors, (746), 127 states have call predecessors, (746), 126 states have return successors, (743), 720 states have call predecessors, (743), 743 states have call successors, (743) [2021-12-28 04:18:18,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 3614 transitions. [2021-12-28 04:18:18,225 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 3614 transitions. Word has length 187 [2021-12-28 04:18:18,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:18:18,228 INFO L470 AbstractCegarLoop]: Abstraction has 2526 states and 3614 transitions. [2021-12-28 04:18:18,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:18:18,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 3614 transitions. [2021-12-28 04:18:18,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-28 04:18:18,240 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:18:18,241 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:18:18,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:18:18,241 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:18:18,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:18:18,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1675900687, now seen corresponding path program 1 times [2021-12-28 04:18:18,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:18:18,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723099734] [2021-12-28 04:18:18,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:18:18,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:18:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:18:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:18:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:18:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:18:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:18:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:18:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:18:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:18:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:18:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:18:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:18:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 04:18:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:18:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:19,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:18:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-28 04:18:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:18:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:18:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-12-28 04:18:19,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:18:19,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723099734] [2021-12-28 04:18:19,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723099734] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:18:19,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:18:19,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:18:19,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533088557] [2021-12-28 04:18:19,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:18:19,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:18:19,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:18:19,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:18:19,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:18:19,097 INFO L87 Difference]: Start difference. First operand 2526 states and 3614 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:18:23,520 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 []