./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_cm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_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 43cf6d17994e4ca10db4f92c4e83b8cb43d421b390c0dc616f8207713547bfb5 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:57:16,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:57:16,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:57:16,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:57:16,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:57:16,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:57:16,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:57:16,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:57:16,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:57:16,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:57:16,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:57:16,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:57:16,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:57:16,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:57:16,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:57:16,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:57:16,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:57:16,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:57:16,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:57:16,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:57:16,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:57:16,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:57:16,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:57:16,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:57:16,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:57:16,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:57:16,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:57:16,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:57:16,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:57:16,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:57:16,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:57:16,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:57:16,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:57:16,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:57:16,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:57:16,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:57:16,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:57:16,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:57:16,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:57:16,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:57:16,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:57:16,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:57:16,817 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:57:16,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:57:16,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:57:16,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:57:16,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:57:16,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:57:16,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:57:16,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:57:16,823 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:57:16,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:57:16,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:57:16,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:57:16,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:57:16,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:57:16,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:57:16,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:57:16,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:57:16,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:57:16,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:57:16,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:57:16,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:57:16,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:57:16,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:57:16,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:57:16,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:57:16,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:57:16,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:57:16,827 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:57:16,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:57:16,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:57:16,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:57:16,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43cf6d17994e4ca10db4f92c4e83b8cb43d421b390c0dc616f8207713547bfb5 [2021-12-14 17:57:17,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:57:17,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:57:17,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:57:17,052 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:57:17,067 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:57:17,068 INFO L432 ainManager$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_cm.ko-entry_point.cil.out.i [2021-12-14 17:57:17,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b989e92/e8020194e6e449dd90e59762df203f73/FLAG9f1938dc0 [2021-12-14 17:57:17,723 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:57:17,723 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_cm.ko-entry_point.cil.out.i [2021-12-14 17:57:17,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b989e92/e8020194e6e449dd90e59762df203f73/FLAG9f1938dc0 [2021-12-14 17:57:18,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b989e92/e8020194e6e449dd90e59762df203f73 [2021-12-14 17:57:18,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:57:18,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:57:18,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:57:18,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:57:18,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:57:18,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:57:18" (1/1) ... [2021-12-14 17:57:18,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c90f11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:18, skipping insertion in model container [2021-12-14 17:57:18,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:57:18" (1/1) ... [2021-12-14 17:57:18,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:57:18,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:57:19,957 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_cm.ko-entry_point.cil.out.i[403556,403569] [2021-12-14 17:57:19,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:57:20,051 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:57:20,375 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_cm.ko-entry_point.cil.out.i[403556,403569] [2021-12-14 17:57:20,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:57:20,455 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:57:20,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20 WrapperNode [2021-12-14 17:57:20,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:57:20,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:57:20,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:57:20,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:57:20,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:20,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:20,789 INFO L137 Inliner]: procedures = 402, calls = 4296, calls flagged for inlining = 206, calls inlined = 185, statements flattened = 7894 [2021-12-14 17:57:20,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:57:20,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:57:20,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:57:20,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:57:20,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:20,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:20,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:20,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:20,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:57:21,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:57:21,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:57:21,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:57:21,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:57:21,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:57:21,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 17:57:21,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 17:57:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 17:57:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 17:57:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure cm_deref_id [2021-12-14 17:57:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_deref_id [2021-12-14 17:57:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reset_to_idle [2021-12-14 17:57:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reset_to_idle [2021-12-14 17:57:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 17:57:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 17:57:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2021-12-14 17:57:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2021-12-14 17:57:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure be64_gt [2021-12-14 17:57:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_gt [2021-12-14 17:57:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2021-12-14 17:57:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2021-12-14 17:57:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-14 17:57:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-14 17:57:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure cm_process_work [2021-12-14 17:57:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_process_work [2021-12-14 17:57:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:57:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:57:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure cm_ack_timeout [2021-12-14 17:57:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_ack_timeout [2021-12-14 17:57:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reject_sidr_req [2021-12-14 17:57:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reject_sidr_req [2021-12-14 17:57:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rej [2021-12-14 17:57:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rej [2021-12-14 17:57:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure cm_set_private_data [2021-12-14 17:57:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_set_private_data [2021-12-14 17:57:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2021-12-14 17:57:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2021-12-14 17:57:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_qpn [2021-12-14 17:57:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_qpn [2021-12-14 17:57:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure cm_get_id [2021-12-14 17:57:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_get_id [2021-12-14 17:57:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_response_msg [2021-12-14 17:57:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_response_msg [2021-12-14 17:57:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-14 17:57:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-14 17:57:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_service_timeout [2021-12-14 17:57:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_service_timeout [2021-12-14 17:57:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mask_copy [2021-12-14 17:57:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mask_copy [2021-12-14 17:57:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:57:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:57:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 17:57:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_resp_res [2021-12-14 17:57:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_resp_res [2021-12-14 17:57:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_reject_info_len [2021-12-14 17:57:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_reject_info_len [2021-12-14 17:57:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure cm_enter_timewait [2021-12-14 17:57:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_enter_timewait [2021-12-14 17:57:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 17:57:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 17:57:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:57:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:57:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:57:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_drep [2021-12-14 17:57:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_drep [2021-12-14 17:57:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2021-12-14 17:57:21,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2021-12-14 17:57:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 17:57:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 17:57:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2021-12-14 17:57:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2021-12-14 17:57:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:57:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:57:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2021-12-14 17:57:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2021-12-14 17:57:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:57:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:57:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:57:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_alt_sl [2021-12-14 17:57:21,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_alt_sl [2021-12-14 17:57:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_cap_ib_cm [2021-12-14 17:57:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_cap_ib_cm [2021-12-14 17:57:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure cm_create_timewait_info [2021-12-14 17:57:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_create_timewait_info [2021-12-14 17:57:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 17:57:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 17:57:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:57:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_rnr_retry_count [2021-12-14 17:57:21,159 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_rnr_retry_count [2021-12-14 17:57:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:57:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2021-12-14 17:57:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2021-12-14 17:57:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:57:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:57:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure cm_destroy_id [2021-12-14 17:57:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_destroy_id [2021-12-14 17:57:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 17:57:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 17:57:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-14 17:57:21,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-14 17:57:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 17:57:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 17:57:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_starting_psn [2021-12-14 17:57:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_starting_psn [2021-12-14 17:57:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:57:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mra [2021-12-14 17:57:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mra [2021-12-14 17:57:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure cm_convert_to_ms [2021-12-14 17:57:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_convert_to_ms [2021-12-14 17:57:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure cm_find_listen [2021-12-14 17:57:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_find_listen [2021-12-14 17:57:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:57:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2021-12-14 17:57:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2021-12-14 17:57:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_recv_mad [2021-12-14 17:57:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_recv_mad [2021-12-14 17:57:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:57:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:57:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_qpn [2021-12-14 17:57:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_qpn [2021-12-14 17:57:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-14 17:57:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-14 17:57:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2021-12-14 17:57:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2021-12-14 17:57:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_path_mtu [2021-12-14 17:57:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_path_mtu [2021-12-14 17:57:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2021-12-14 17:57:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2021-12-14 17:57:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_primary_sl [2021-12-14 17:57:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_primary_sl [2021-12-14 17:57:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-12-14 17:57:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-12-14 17:57:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2021-12-14 17:57:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2021-12-14 17:57:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 17:57:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 17:57:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-14 17:57:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-14 17:57:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_mad [2021-12-14 17:57:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_mad [2021-12-14 17:57:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_target_ack_delay [2021-12-14 17:57:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_target_ack_delay [2021-12-14 17:57:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:57:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:57:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cm_id [2021-12-14 17:57:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cm_id [2021-12-14 17:57:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 17:57:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 17:57:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 17:57:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 17:57:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_msg [2021-12-14 17:57:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_msg [2021-12-14 17:57:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:57:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:57:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:57:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:57:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_qpn [2021-12-14 17:57:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_qpn [2021-12-14 17:57:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure cm_work_handler [2021-12-14 17:57:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_work_handler [2021-12-14 17:57:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_send_mad [2021-12-14 17:57:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_send_mad [2021-12-14 17:57:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-14 17:57:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-14 17:57:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mad_hdr [2021-12-14 17:57:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mad_hdr [2021-12-14 17:57:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_msg_mraed [2021-12-14 17:57:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_msg_mraed [2021-12-14 17:57:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_msg_rejected [2021-12-14 17:57:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_msg_rejected [2021-12-14 17:57:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:57:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:57:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-14 17:57:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-14 17:57:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rtu [2021-12-14 17:57:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rtu [2021-12-14 17:57:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure cm_dequeue_work [2021-12-14 17:57:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_dequeue_work [2021-12-14 17:57:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_rnr_retry_count [2021-12-14 17:57:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_rnr_retry_count [2021-12-14 17:57:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:57:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:57:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure be32_lt [2021-12-14 17:57:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_lt [2021-12-14 17:57:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_retry_count [2021-12-14 17:57:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_retry_count [2021-12-14 17:57:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:57:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:57:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_for_response [2021-12-14 17:57:21,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_for_response [2021-12-14 17:57:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_init_depth [2021-12-14 17:57:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_init_depth [2021-12-14 17:57:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 17:57:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 17:57:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure cm_remove_port_fs [2021-12-14 17:57:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_remove_port_fs [2021-12-14 17:57:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_msg [2021-12-14 17:57:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_msg [2021-12-14 17:57:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:57:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:57:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:57:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:57:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-14 17:57:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-14 17:57:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_port [2021-12-14 17:57:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_port [2021-12-14 17:57:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:57:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 17:57:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 17:57:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 17:57:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 17:57:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 17:57:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 17:57:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_cm_id [2021-12-14 17:57:21,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_cm_id [2021-12-14 17:57:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 17:57:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 17:57:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_qp_type [2021-12-14 17:57:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_qp_type [2021-12-14 17:57:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-14 17:57:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-14 17:57:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure cm_cleanup_timewait [2021-12-14 17:57:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_cleanup_timewait [2021-12-14 17:57:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_by_path [2021-12-14 17:57:21,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_by_path [2021-12-14 17:57:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure be32_gt [2021-12-14 17:57:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_gt [2021-12-14 17:57:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_work [2021-12-14 17:57:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_work [2021-12-14 17:57:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_rej [2021-12-14 17:57:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_rej [2021-12-14 17:57:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_id [2021-12-14 17:57:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_id [2021-12-14 17:57:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:57:21,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:57:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:57:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:57:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:57:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-14 17:57:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-14 17:57:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send_mad [2021-12-14 17:57:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send_mad [2021-12-14 17:57:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2021-12-14 17:57:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2021-12-14 17:57:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 17:57:21,183 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 17:57:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2021-12-14 17:57:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2021-12-14 17:57:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_starting_psn [2021-12-14 17:57:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_starting_psn [2021-12-14 17:57:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure cm_copy_private_data [2021-12-14 17:57:21,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_copy_private_data [2021-12-14 17:57:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_resp_timeout [2021-12-14 17:57:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_resp_timeout [2021-12-14 17:57:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure cm_form_tid [2021-12-14 17:57:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_form_tid [2021-12-14 17:57:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure cm_acquire_id [2021-12-14 17:57:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_acquire_id [2021-12-14 17:57:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-14 17:57:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-14 17:57:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_sidr_rep [2021-12-14 17:57:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_sidr_rep [2021-12-14 17:57:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 17:57:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 17:57:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-14 17:57:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-14 17:57:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_set_srq [2021-12-14 17:57:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_set_srq [2021-12-14 17:57:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure cm_issue_rej [2021-12-14 17:57:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_issue_rej [2021-12-14 17:57:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-14 17:57:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-14 17:57:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ib_cancel_mad [2021-12-14 17:57:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_cancel_mad [2021-12-14 17:57:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure be64_lt [2021-12-14 17:57:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_lt [2021-12-14 17:57:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure cm_devnode [2021-12-14 17:57:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_devnode [2021-12-14 17:57:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:57:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:57:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:57:21,957 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:57:21,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:57:22,060 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:57:39,100 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:57:39,113 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:57:39,113 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:57:39,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:57:39 BoogieIcfgContainer [2021-12-14 17:57:39,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:57:39,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:57:39,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:57:39,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:57:39,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:57:18" (1/3) ... [2021-12-14 17:57:39,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324c542a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:57:39, skipping insertion in model container [2021-12-14 17:57:39,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (2/3) ... [2021-12-14 17:57:39,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324c542a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:57:39, skipping insertion in model container [2021-12-14 17:57:39,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:57:39" (3/3) ... [2021-12-14 17:57:39,122 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2021-12-14 17:57:39,125 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:57:39,126 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:57:39,159 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:57:39,163 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:57:39,163 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:57:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 2541 states, 1658 states have (on average 1.2925211097708083) internal successors, (2143), 1732 states have internal predecessors, (2143), 754 states have call successors, (754), 128 states have call predecessors, (754), 127 states have return successors, (744), 721 states have call predecessors, (744), 744 states have call successors, (744) [2021-12-14 17:57:39,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-14 17:57:39,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:57:39,237 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] [2021-12-14 17:57:39,237 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:57:39,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:57:39,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1550218799, now seen corresponding path program 1 times [2021-12-14 17:57:39,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:57:39,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650755084] [2021-12-14 17:57:39,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:57:39,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:57:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:57:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:57:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:57:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:57:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:57:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:39,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:57:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:57:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 17:57:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 17:57:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 17:57:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-14 17:57:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-14 17:57:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-14 17:57:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 17:57:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:40,199 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-12-14 17:57:40,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:57:40,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650755084] [2021-12-14 17:57:40,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650755084] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:57:40,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:57:40,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:57:40,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642040177] [2021-12-14 17:57:40,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:57:40,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:57:40,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:57:40,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:57:40,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:57:40,227 INFO L87 Difference]: Start difference. First operand has 2541 states, 1658 states have (on average 1.2925211097708083) internal successors, (2143), 1732 states have internal predecessors, (2143), 754 states have call successors, (754), 128 states have call predecessors, (754), 127 states have return successors, (744), 721 states have call predecessors, (744), 744 states have call successors, (744) 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) [2021-12-14 17:57:44,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:49,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:52,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:55,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:57,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:57,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:57:57,641 INFO L93 Difference]: Finished difference Result 5608 states and 8401 transitions. [2021-12-14 17:57:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:57:57,643 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 [2021-12-14 17:57:57,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:57:57,677 INFO L225 Difference]: With dead ends: 5608 [2021-12-14 17:57:57,677 INFO L226 Difference]: Without dead ends: 3052 [2021-12-14 17:57:57,715 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 [2021-12-14 17:57:57,718 INFO L933 BasicCegarLoop]: 3469 mSDtfsCounter, 1519 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 1963 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 5276 SdHoareTripleChecker+Invalid, 4163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1963 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:57:57,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 5276 Invalid, 4163 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1963 Valid, 2195 Invalid, 5 Unknown, 0 Unchecked, 17.0s Time] [2021-12-14 17:57:57,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2021-12-14 17:57:57,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 2522. [2021-12-14 17:57:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 1651 states have (on average 1.2846759539672925) internal successors, (2121), 1713 states have internal predecessors, (2121), 744 states have call successors, (744), 127 states have call predecessors, (744), 126 states have return successors, (743), 720 states have call predecessors, (743), 743 states have call successors, (743) [2021-12-14 17:57:57,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 3608 transitions. [2021-12-14 17:57:57,943 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 3608 transitions. Word has length 187 [2021-12-14 17:57:57,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:57:57,943 INFO L470 AbstractCegarLoop]: Abstraction has 2522 states and 3608 transitions. [2021-12-14 17:57:57,945 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) [2021-12-14 17:57:57,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3608 transitions. [2021-12-14 17:57:57,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-14 17:57:57,954 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:57:57,955 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] [2021-12-14 17:57:57,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:57:57,955 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:57:57,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:57:57,956 INFO L85 PathProgramCache]: Analyzing trace with hash -658758625, now seen corresponding path program 1 times [2021-12-14 17:57:57,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:57:57,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540123181] [2021-12-14 17:57:57,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:57:57,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:57:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:57:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:57:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:57:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:57:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:57:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:57:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:57:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 17:57:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 17:57:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 17:57:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-14 17:57:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-14 17:57:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-14 17:57:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 17:57:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:58,713 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-12-14 17:57:58,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:57:58,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540123181] [2021-12-14 17:57:58,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540123181] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:57:58,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:57:58,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:57:58,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587331565] [2021-12-14 17:57:58,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:57:58,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:57:58,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:57:58,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:57:58,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:57:58,717 INFO L87 Difference]: Start difference. First operand 2522 states and 3608 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) [2021-12-14 17:58:02,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:08,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:18,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:21,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:23,698 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 []