./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--ulp--isert--ib_isert.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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--ulp--isert--ib_isert.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 d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:19:29,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:19:29,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:19:29,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:19:29,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:19:29,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:19:29,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:19:29,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:19:29,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:19:29,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:19:29,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:19:29,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:19:29,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:19:29,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:19:29,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:19:29,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:19:29,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:19:29,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:19:29,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:19:29,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:19:29,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:19:29,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:19:29,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:19:29,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:19:29,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:19:29,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:19:29,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:19:29,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:19:29,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:19:29,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:19:29,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:19:29,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:19:29,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:19:29,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:19:29,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:19:29,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:19:29,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:19:29,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:19:29,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:19:29,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:19:29,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:19:29,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:19:29,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:19:29,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:19:29,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:19:29,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:19:29,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:19:29,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:19:29,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:19:29,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:19:29,756 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:19:29,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:19:29,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:19:29,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:19:29,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:19:29,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:19:29,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:19:29,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:19:29,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:19:29,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:19:29,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:19:29,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:19:29,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:19:29,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:19:29,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:19:29,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:19:29,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:19:29,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:19:29,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:19:29,759 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:19:29,759 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:19:29,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:19:29,759 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:19:29,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b [2021-12-16 04:19:29,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:19:30,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:19:30,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:19:30,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:19:30,035 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:19:30,037 INFO L432 ainManager$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--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2021-12-16 04:19:30,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040a9404e/2433af9adc0d48cd8d68cd78ddfc0cd4/FLAGf8b0b8e0f [2021-12-16 04:19:30,989 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:19:30,990 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--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2021-12-16 04:19:31,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040a9404e/2433af9adc0d48cd8d68cd78ddfc0cd4/FLAGf8b0b8e0f [2021-12-16 04:19:31,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040a9404e/2433af9adc0d48cd8d68cd78ddfc0cd4 [2021-12-16 04:19:31,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:19:31,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:19:31,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:19:31,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:19:31,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:19:31,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:19:31" (1/1) ... [2021-12-16 04:19:31,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67cbaae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:31, skipping insertion in model container [2021-12-16 04:19:31,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:19:31" (1/1) ... [2021-12-16 04:19:31,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:19:31,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:19:35,774 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--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2021-12-16 04:19:36,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:19:36,204 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:19:36,882 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--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2021-12-16 04:19:36,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:19:37,046 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:19:37,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37 WrapperNode [2021-12-16 04:19:37,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:19:37,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:19:37,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:19:37,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:19:37,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37" (1/1) ... [2021-12-16 04:19:37,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37" (1/1) ... [2021-12-16 04:19:37,341 INFO L137 Inliner]: procedures = 483, calls = 2853, calls flagged for inlining = 237, calls inlined = 184, statements flattened = 6899 [2021-12-16 04:19:37,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:19:37,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:19:37,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:19:37,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:19:37,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37" (1/1) ... [2021-12-16 04:19:37,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37" (1/1) ... [2021-12-16 04:19:37,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37" (1/1) ... [2021-12-16 04:19:37,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37" (1/1) ... [2021-12-16 04:19:37,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37" (1/1) ... [2021-12-16 04:19:37,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37" (1/1) ... [2021-12-16 04:19:37,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37" (1/1) ... [2021-12-16 04:19:37,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:19:37,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:19:37,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:19:37,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:19:37,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37" (1/1) ... [2021-12-16 04:19:37,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:19:37,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:19:37,737 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) [2021-12-16 04:19:37,759 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 [2021-12-16 04:19:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure ib_wc_status_msg [2021-12-16 04:19:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_wc_status_msg [2021-12-16 04:19:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:19:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure isert_setup_id [2021-12-16 04:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_setup_id [2021-12-16 04:19:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:19:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_isert_conn [2021-12-16 04:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_isert_conn [2021-12-16 04:19:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-16 04:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-16 04:19:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-16 04:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-16 04:19:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_stop_dataout_timer [2021-12-16 04:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_stop_dataout_timer [2021-12-16 04:19:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_destroy_id [2021-12-16 04:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_destroy_id [2021-12-16 04:19:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:19:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:19:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure isert_cq_work [2021-12-16 04:19:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_cq_work [2021-12-16 04:19:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 04:19:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 04:19:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2021-12-16 04:19:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2021-12-16 04:19:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2021-12-16 04:19:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2021-12-16 04:19:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:19:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:19:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_isert_conn [2021-12-16 04:19:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_isert_conn [2021-12-16 04:19:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2021-12-16 04:19:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2021-12-16 04:19:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_send_wr [2021-12-16 04:19:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_send_wr [2021-12-16 04:19:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2021-12-16 04:19:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2021-12-16 04:19:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:19:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:19:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:19:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:19:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2021-12-16 04:19:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2021-12-16 04:19:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:19:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2021-12-16 04:19:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2021-12-16 04:19:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait_conn [2021-12-16 04:19:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait_conn [2021-12-16 04:19:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2021-12-16 04:19:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2021-12-16 04:19:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-16 04:19:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-16 04:19:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-16 04:19:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-16 04:19:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2021-12-16 04:19:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2021-12-16 04:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_terminate [2021-12-16 04:19:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_terminate [2021-12-16 04:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 04:19:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 04:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure isert_prot_cmd [2021-12-16 04:19:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_prot_cmd [2021-12-16 04:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 04:19:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 04:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2021-12-16 04:19:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2021-12-16 04:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:19:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2021-12-16 04:19:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2021-12-16 04:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_np [2021-12-16 04:19:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_np [2021-12-16 04:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure isert_comp_put [2021-12-16 04:19:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_comp_put [2021-12-16 04:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-16 04:19:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-16 04:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-16 04:19:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-16 04:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-16 04:19:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-16 04:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2021-12-16 04:19:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2021-12-16 04:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:19:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-16 04:19:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-16 04:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-16 04:19:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-16 04:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 04:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:19:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure isert_completion_put [2021-12-16 04:19:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_completion_put [2021-12-16 04:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 04:19:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 04:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_data_buf [2021-12-16 04:19:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_data_buf [2021-12-16 04:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure isert_inv_rkey [2021-12-16 04:19:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_inv_rkey [2021-12-16 04:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 04:19:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 04:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2021-12-16 04:19:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2021-12-16 04:19:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:19:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:19:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure isert_allocate_cmd [2021-12-16 04:19:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_allocate_cmd [2021-12-16 04:19:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure isert_do_control_comp [2021-12-16 04:19:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_do_control_comp [2021-12-16 04:19:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2021-12-16 04:19:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2021-12-16 04:19:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure isert_connect_release [2021-12-16 04:19:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_connect_release [2021-12-16 04:19:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_comps [2021-12-16 04:19:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_comps [2021-12-16 04:19:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:19:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:19:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-16 04:19:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-16 04:19:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:19:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:19:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-16 04:19:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-16 04:19:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-16 04:19:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-16 04:19:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:19:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:19:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure isert_device_put [2021-12-16 04:19:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_device_put [2021-12-16 04:19:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:19:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:19:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure isert_map_data_buf [2021-12-16 04:19:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_map_data_buf [2021-12-16 04:19:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-16 04:19:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-16 04:19:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2021-12-16 04:19:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2021-12-16 04:19:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2021-12-16 04:19:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2021-12-16 04:19:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_tx_hdrs [2021-12-16 04:19:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_tx_hdrs [2021-12-16 04:19:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-16 04:19:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-16 04:19:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-16 04:19:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-16 04:19:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_fast_reg_page_list [2021-12-16 04:19:37,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_fast_reg_page_list [2021-12-16 04:19:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-16 04:19:37,811 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-16 04:19:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:19:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:19:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2021-12-16 04:19:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2021-12-16 04:19:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:19:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:19:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-16 04:19:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-16 04:19:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_response [2021-12-16 04:19:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_response [2021-12-16 04:19:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait4flush [2021-12-16 04:19:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait4flush [2021-12-16 04:19:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:19:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:19:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:19:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:19:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-16 04:19:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-16 04:19:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_login_buf [2021-12-16 04:19:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_login_buf [2021-12-16 04:19:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-16 04:19:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-16 04:19:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-16 04:19:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-16 04:19:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:19:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:19:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:19:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_priv_cmd [2021-12-16 04:19:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_priv_cmd [2021-12-16 04:19:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_nopin [2021-12-16 04:19:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_nopin [2021-12-16 04:19:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:19:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-16 04:19:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-16 04:19:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2021-12-16 04:19:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2021-12-16 04:19:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:19:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_recv [2021-12-16 04:19:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_recv [2021-12-16 04:19:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-16 04:19:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-16 04:19:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:19:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:19:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-16 04:19:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-16 04:19:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 04:19:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 04:19:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 04:19:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 04:19:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rdma_post_recvl [2021-12-16 04:19:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rdma_post_recvl [2021-12-16 04:19:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_free_fastreg_pool [2021-12-16 04:19:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_free_fastreg_pool [2021-12-16 04:19:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2021-12-16 04:19:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2021-12-16 04:19:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 04:19:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 04:19:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2021-12-16 04:19:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2021-12-16 04:19:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2021-12-16 04:19:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2021-12-16 04:19:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_tx_desc [2021-12-16 04:19:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_tx_desc [2021-12-16 04:19:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:19:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:19:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_device_list_mutex [2021-12-16 04:19:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_device_list_mutex [2021-12-16 04:19:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_device_list_mutex [2021-12-16 04:19:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_device_list_mutex [2021-12-16 04:19:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-12-16 04:19:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-12-16 04:19:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2021-12-16 04:19:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2021-12-16 04:19:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2021-12-16 04:19:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2021-12-16 04:19:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2021-12-16 04:19:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2021-12-16 04:19:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:19:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:19:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure isert_check_pi_status [2021-12-16 04:19:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_check_pi_status [2021-12-16 04:19:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-16 04:19:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-16 04:19:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:19:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure isert_create_send_desc [2021-12-16 04:19:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_create_send_desc [2021-12-16 04:19:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:19:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:19:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2021-12-16 04:19:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2021-12-16 04:19:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2021-12-16 04:19:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2021-12-16 04:19:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:19:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:19:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-16 04:19:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-16 04:19:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_response [2021-12-16 04:19:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_response [2021-12-16 04:19:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_mr [2021-12-16 04:19:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_mr [2021-12-16 04:19:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 04:19:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 04:19:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rx_login_req [2021-12-16 04:19:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rx_login_req [2021-12-16 04:19:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-16 04:19:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-16 04:19:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2021-12-16 04:19:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2021-12-16 04:19:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:19:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 04:19:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 04:19:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure target_put_sess_cmd [2021-12-16 04:19:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure target_put_sess_cmd [2021-12-16 04:19:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure isert_set_dif_domain [2021-12-16 04:19:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_set_dif_domain [2021-12-16 04:19:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-16 04:19:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-16 04:19:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2021-12-16 04:19:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2021-12-16 04:19:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_page_list [2021-12-16 04:19:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_page_list [2021-12-16 04:19:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_build_rsp_pdu [2021-12-16 04:19:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_build_rsp_pdu [2021-12-16 04:19:38,836 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:19:38,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:19:39,068 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:19:44,942 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:19:44,960 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:19:44,960 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:19:44,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:19:44 BoogieIcfgContainer [2021-12-16 04:19:44,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:19:44,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:19:44,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:19:44,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:19:44,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:19:31" (1/3) ... [2021-12-16 04:19:44,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1316abb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:19:44, skipping insertion in model container [2021-12-16 04:19:44,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:19:37" (2/3) ... [2021-12-16 04:19:44,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1316abb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:19:44, skipping insertion in model container [2021-12-16 04:19:44,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:19:44" (3/3) ... [2021-12-16 04:19:44,974 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2021-12-16 04:19:44,980 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:19:44,980 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:19:45,031 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:19:45,037 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 [2021-12-16 04:19:45,037 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:19:45,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 2324 states, 1602 states have (on average 1.3258426966292134) internal successors, (2124), 1662 states have internal predecessors, (2124), 590 states have call successors, (590), 131 states have call predecessors, (590), 130 states have return successors, (584), 573 states have call predecessors, (584), 584 states have call successors, (584) [2021-12-16 04:19:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-16 04:19:45,111 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:19:45,112 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:19:45,112 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:19:45,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:19:45,117 INFO L85 PathProgramCache]: Analyzing trace with hash 287510443, now seen corresponding path program 1 times [2021-12-16 04:19:45,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:19:45,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638178149] [2021-12-16 04:19:45,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:19:45,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:19:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:45,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:19:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:46,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:19:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:46,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:19:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 04:19:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:19:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 04:19:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:46,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:19:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 04:19:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:46,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:19:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:46,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 04:19:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:46,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:19:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-16 04:19:46,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:19:46,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638178149] [2021-12-16 04:19:46,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638178149] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:19:46,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:19:46,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:19:46,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859674233] [2021-12-16 04:19:46,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:19:46,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:19:46,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:19:46,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:19:46,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:19:46,349 INFO L87 Difference]: Start difference. First operand has 2324 states, 1602 states have (on average 1.3258426966292134) internal successors, (2124), 1662 states have internal predecessors, (2124), 590 states have call successors, (590), 131 states have call predecessors, (590), 130 states have return successors, (584), 573 states have call predecessors, (584), 584 states have call successors, (584) Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:19:48,910 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 [] [2021-12-16 04:19:53,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:19:58,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:19:58,000 INFO L93 Difference]: Finished difference Result 5414 states and 8111 transitions. [2021-12-16 04:19:58,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:19:58,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2021-12-16 04:19:58,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:19:58,126 INFO L225 Difference]: With dead ends: 5414 [2021-12-16 04:19:58,126 INFO L226 Difference]: Without dead ends: 3072 [2021-12-16 04:19:58,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:19:58,153 INFO L933 BasicCegarLoop]: 2946 mSDtfsCounter, 6779 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 1593 mSolverCounterSat, 3806 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7116 SdHoareTripleChecker+Valid, 4537 SdHoareTripleChecker+Invalid, 5401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3806 IncrementalHoareTripleChecker+Valid, 1593 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:19:58,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7116 Valid, 4537 Invalid, 5401 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3806 Valid, 1593 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2021-12-16 04:19:58,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2021-12-16 04:19:58,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 2314. [2021-12-16 04:19:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 1597 states have (on average 1.313713212273012) internal successors, (2098), 1647 states have internal predecessors, (2098), 582 states have call successors, (582), 135 states have call predecessors, (582), 134 states have return successors, (572), 561 states have call predecessors, (572), 572 states have call successors, (572) [2021-12-16 04:19:58,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 3252 transitions. [2021-12-16 04:19:58,515 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 3252 transitions. Word has length 82 [2021-12-16 04:19:58,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:19:58,517 INFO L470 AbstractCegarLoop]: Abstraction has 2314 states and 3252 transitions. [2021-12-16 04:19:58,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:19:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 3252 transitions. [2021-12-16 04:19:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-16 04:19:58,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:19:58,525 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:19:58,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:19:58,526 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:19:58,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:19:58,526 INFO L85 PathProgramCache]: Analyzing trace with hash 321914562, now seen corresponding path program 1 times [2021-12-16 04:19:58,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:19:58,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929849371] [2021-12-16 04:19:58,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:19:58,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:19:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:19:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:19:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:19:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 04:19:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:19:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 04:19:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:19:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 04:19:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:19:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 04:19:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:19:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:19:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-16 04:19:58,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:19:58,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929849371] [2021-12-16 04:19:58,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929849371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:19:58,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:19:58,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:19:58,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116604942] [2021-12-16 04:19:58,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:19:58,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:19:58,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:19:58,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:19:58,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:19:58,934 INFO L87 Difference]: Start difference. First operand 2314 states and 3252 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:20:01,354 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 [] [2021-12-16 04:20:03,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:20:08,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:20:11,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:20:18,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:20:18,544 INFO L93 Difference]: Finished difference Result 3072 states and 4573 transitions. [2021-12-16 04:20:18,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:20:18,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2021-12-16 04:20:18,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:20:18,567 INFO L225 Difference]: With dead ends: 3072 [2021-12-16 04:20:18,567 INFO L226 Difference]: Without dead ends: 3069 [2021-12-16 04:20:18,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:20:18,572 INFO L933 BasicCegarLoop]: 2909 mSDtfsCounter, 5391 mSDsluCounter, 3838 mSDsCounter, 0 mSdLazyCounter, 3091 mSolverCounterSat, 2688 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5732 SdHoareTripleChecker+Valid, 6747 SdHoareTripleChecker+Invalid, 5783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2688 IncrementalHoareTripleChecker+Valid, 3091 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-12-16 04:20:18,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5732 Valid, 6747 Invalid, 5783 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2688 Valid, 3091 Invalid, 4 Unknown, 0 Unchecked, 19.2s Time] [2021-12-16 04:20:18,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3069 states. [2021-12-16 04:20:18,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3069 to 2313. [2021-12-16 04:20:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2313 states, 1597 states have (on average 1.3130870381966186) internal successors, (2097), 1646 states have internal predecessors, (2097), 581 states have call successors, (581), 135 states have call predecessors, (581), 134 states have return successors, (572), 561 states have call predecessors, (572), 572 states have call successors, (572) [2021-12-16 04:20:18,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 2313 states and 3250 transitions. [2021-12-16 04:20:18,752 INFO L78 Accepts]: Start accepts. Automaton has 2313 states and 3250 transitions. Word has length 83 [2021-12-16 04:20:18,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:20:18,752 INFO L470 AbstractCegarLoop]: Abstraction has 2313 states and 3250 transitions. [2021-12-16 04:20:18,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:20:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 3250 transitions. [2021-12-16 04:20:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-12-16 04:20:18,755 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:20:18,755 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:20:18,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:20:18,756 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:20:18,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:20:18,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1388447118, now seen corresponding path program 1 times [2021-12-16 04:20:18,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:20:18,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234688615] [2021-12-16 04:20:18,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:20:18,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:20:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:20:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:19,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 04:20:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:19,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 04:20:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 04:20:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:19,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 04:20:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:19,184 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-16 04:20:19,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:20:19,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234688615] [2021-12-16 04:20:19,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234688615] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:20:19,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:20:19,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:20:19,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225783704] [2021-12-16 04:20:19,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:20:19,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:20:19,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:20:19,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:20:19,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:20:19,188 INFO L87 Difference]: Start difference. First operand 2313 states and 3250 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 04:20:21,505 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 [] [2021-12-16 04:20:25,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []