./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--vfio--pci--vfio-pci.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--vfio--pci--vfio-pci.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 879e6f4b2aed167489a665cf8f7fd15baaab5532f933532db7f913dd6f6b658a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 16:40:58,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 16:40:58,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 16:40:58,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 16:40:58,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 16:40:58,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 16:40:58,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 16:40:58,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 16:40:58,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 16:40:58,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 16:40:58,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 16:40:58,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 16:40:58,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 16:40:58,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 16:40:58,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 16:40:58,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 16:40:58,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 16:40:58,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 16:40:58,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 16:40:58,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 16:40:58,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 16:40:58,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 16:40:58,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 16:40:58,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 16:40:58,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 16:40:58,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 16:40:58,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 16:40:58,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 16:40:58,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 16:40:58,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 16:40:58,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 16:40:58,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 16:40:58,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 16:40:58,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 16:40:58,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 16:40:58,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 16:40:58,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 16:40:58,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 16:40:58,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 16:40:58,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 16:40:58,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 16:40:58,459 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 16:40:58,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 16:40:58,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 16:40:58,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 16:40:58,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 16:40:58,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 16:40:58,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 16:40:58,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 16:40:58,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 16:40:58,498 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 16:40:58,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 16:40:58,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 16:40:58,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 16:40:58,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 16:40:58,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 16:40:58,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 16:40:58,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 16:40:58,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 16:40:58,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 16:40:58,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 16:40:58,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 16:40:58,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 16:40:58,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 16:40:58,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 16:40:58,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 16:40:58,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 16:40:58,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 16:40:58,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 16:40:58,502 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 16:40:58,502 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 16:40:58,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 16:40:58,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 16:40:58,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 879e6f4b2aed167489a665cf8f7fd15baaab5532f933532db7f913dd6f6b658a [2021-12-18 16:40:58,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 16:40:58,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 16:40:58,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 16:40:58,764 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 16:40:58,764 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 16:40:58,766 INFO L432 ainManager$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--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2021-12-18 16:40:58,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd54d258/5bb8737f843d46439b56c47888aa9819/FLAGfb2a8d063 [2021-12-18 16:40:59,949 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 16:40:59,950 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--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2021-12-18 16:41:00,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd54d258/5bb8737f843d46439b56c47888aa9819/FLAGfb2a8d063 [2021-12-18 16:41:00,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd54d258/5bb8737f843d46439b56c47888aa9819 [2021-12-18 16:41:00,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 16:41:00,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 16:41:00,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 16:41:00,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 16:41:00,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 16:41:00,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:41:00" (1/1) ... [2021-12-18 16:41:00,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236efdd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:00, skipping insertion in model container [2021-12-18 16:41:00,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:41:00" (1/1) ... [2021-12-18 16:41:00,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 16:41:00,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 16:41:06,703 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--vfio--pci--vfio-pci.ko-entry_point.cil.out.i[2490260,2490273] [2021-12-18 16:41:07,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 16:41:07,295 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 16:41:09,029 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--vfio--pci--vfio-pci.ko-entry_point.cil.out.i[2490260,2490273] [2021-12-18 16:41:09,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 16:41:09,328 INFO L208 MainTranslator]: Completed translation [2021-12-18 16:41:09,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09 WrapperNode [2021-12-18 16:41:09,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 16:41:09,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 16:41:09,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 16:41:09,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 16:41:09,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09" (1/1) ... [2021-12-18 16:41:10,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09" (1/1) ... [2021-12-18 16:41:13,672 INFO L137 Inliner]: procedures = 410, calls = 3148, calls flagged for inlining = 161, calls inlined = 148, statements flattened = 270283 [2021-12-18 16:41:13,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 16:41:13,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 16:41:13,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 16:41:13,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 16:41:13,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09" (1/1) ... [2021-12-18 16:41:13,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09" (1/1) ... [2021-12-18 16:41:14,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09" (1/1) ... [2021-12-18 16:41:14,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09" (1/1) ... [2021-12-18 16:41:16,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09" (1/1) ... [2021-12-18 16:41:18,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09" (1/1) ... [2021-12-18 16:41:19,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09" (1/1) ... [2021-12-18 16:41:20,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 16:41:20,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 16:41:20,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 16:41:20,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 16:41:20,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09" (1/1) ... [2021-12-18 16:41:20,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 16:41:20,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:41:20,419 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) [2021-12-18 16:41:20,437 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 [2021-12-18 16:41:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2021-12-18 16:41:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2021-12-18 16:41:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2021-12-18 16:41:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2021-12-18 16:41:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2021-12-18 16:41:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2021-12-18 16:41:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2021-12-18 16:41:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2021-12-18 16:41:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 16:41:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 16:41:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_bus [2021-12-18 16:41:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_bus [2021-12-18 16:41:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2021-12-18 16:41:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2021-12-18 16:41:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 16:41:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 16:41:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-18 16:41:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-18 16:41:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 16:41:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 16:41:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 16:41:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 16:41:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 16:41:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 16:41:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_virqfd_disable [2021-12-18 16:41:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_virqfd_disable [2021-12-18 16:41:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2021-12-18 16:41:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2021-12-18 16:41:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_unmap [2021-12-18 16:41:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_unmap [2021-12-18 16:41:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure do_io_rw [2021-12-18 16:41:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure do_io_rw [2021-12-18 16:41:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 16:41:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 16:41:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 16:41:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 16:41:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2021-12-18 16:41:20,459 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2021-12-18 16:41:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 16:41:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 16:41:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 16:41:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2021-12-18 16:41:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2021-12-18 16:41:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_read [2021-12-18 16:41:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_read [2021-12-18 16:41:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-18 16:41:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-18 16:41:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2021-12-18 16:41:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2021-12-18 16:41:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-18 16:41:20,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-18 16:41:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 16:41:20,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 16:41:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-12-18 16:41:20,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-12-18 16:41:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure vga_client_register [2021-12-18 16:41:20,463 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_client_register [2021-12-18 16:41:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 16:41:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-18 16:41:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-18 16:41:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-12-18 16:41:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-12-18 16:41:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2021-12-18 16:41:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2021-12-18 16:41:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2021-12-18 16:41:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2021-12-18 16:41:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 16:41:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2021-12-18 16:41:20,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2021-12-18 16:41:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 16:41:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-18 16:41:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-18 16:41:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 16:41:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 16:41:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_bus [2021-12-18 16:41:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_bus [2021-12-18 16:41:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2021-12-18 16:41:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2021-12-18 16:41:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_rw [2021-12-18 16:41:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_rw [2021-12-18 16:41:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-18 16:41:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-18 16:41:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 16:41:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 16:41:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 16:41:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 16:41:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2021-12-18 16:41:20,470 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2021-12-18 16:41:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2021-12-18 16:41:20,470 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2021-12-18 16:41:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2021-12-18 16:41:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2021-12-18 16:41:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 16:41:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 16:41:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2021-12-18 16:41:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2021-12-18 16:41:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 16:41:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2021-12-18 16:41:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2021-12-18 16:41:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2021-12-18 16:41:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2021-12-18 16:41:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 16:41:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 16:41:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-18 16:41:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-18 16:41:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_ctx_trigger_single [2021-12-18 16:41:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_ctx_trigger_single [2021-12-18 16:41:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2021-12-18 16:41:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2021-12-18 16:41:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2021-12-18 16:41:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2021-12-18 16:41:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 16:41:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 16:41:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2021-12-18 16:41:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2021-12-18 16:41:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_bar_rw [2021-12-18 16:41:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_bar_rw [2021-12-18 16:41:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-18 16:41:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-18 16:41:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-18 16:41:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-18 16:41:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 16:41:20,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 16:41:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 16:41:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 16:41:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2021-12-18 16:41:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2021-12-18 16:41:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2021-12-18 16:41:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2021-12-18 16:41:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2021-12-18 16:41:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2021-12-18 16:41:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_function [2021-12-18 16:41:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_function [2021-12-18 16:41:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 16:41:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 16:41:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 16:41:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 16:41:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2021-12-18 16:41:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2021-12-18 16:41:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2021-12-18 16:41:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2021-12-18 16:41:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_raw_config_write [2021-12-18 16:41:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_raw_config_write [2021-12-18 16:41:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 16:41:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 16:41:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2021-12-18 16:41:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2021-12-18 16:41:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-18 16:41:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-18 16:41:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2021-12-18 16:41:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2021-12-18 16:41:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2021-12-18 16:41:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2021-12-18 16:41:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 16:41:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 16:41:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 16:41:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 16:41:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_reset_slot [2021-12-18 16:41:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_reset_slot [2021-12-18 16:41:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 16:41:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 16:41:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-18 16:41:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-18 16:41:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-18 16:41:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-18 16:41:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 16:41:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 16:41:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-18 16:41:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-18 16:41:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2021-12-18 16:41:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2021-12-18 16:41:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 16:41:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 16:41:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2021-12-18 16:41:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2021-12-18 16:41:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2021-12-18 16:41:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2021-12-18 16:41:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2021-12-18 16:41:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2021-12-18 16:41:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 16:41:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 16:41:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 16:41:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-18 16:41:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-18 16:41:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_root_bus [2021-12-18 16:41:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_root_bus [2021-12-18 16:41:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 16:41:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_spapr_pci_eeh_open [2021-12-18 16:41:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_spapr_pci_eeh_open [2021-12-18 16:41:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2021-12-18 16:41:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2021-12-18 16:41:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2021-12-18 16:41:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2021-12-18 16:41:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 16:41:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 16:41:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 16:41:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 16:41:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 16:41:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2021-12-18 16:41:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2021-12-18 16:41:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2021-12-18 16:41:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2021-12-18 16:41:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 16:41:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 16:41:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2021-12-18 16:41:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2021-12-18 16:41:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 16:41:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-18 16:41:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-18 16:41:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 16:41:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 16:41:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2021-12-18 16:41:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_igate_of_vfio_pci_device [2021-12-18 16:41:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 16:41:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 16:41:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2021-12-18 16:41:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2021-12-18 16:41:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 16:41:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 16:41:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2021-12-18 16:41:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2021-12-18 16:41:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2021-12-18 16:41:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2021-12-18 16:41:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2021-12-18 16:41:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2021-12-18 16:41:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2021-12-18 16:41:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2021-12-18 16:41:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2021-12-18 16:41:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_igate_of_vfio_pci_device [2021-12-18 16:41:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure vga_set_legacy_decoding [2021-12-18 16:41:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_set_legacy_decoding [2021-12-18 16:41:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_for_each_slot_or_bus [2021-12-18 16:41:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_for_each_slot_or_bus [2021-12-18 16:41:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_vga_disabled [2021-12-18 16:41:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_vga_disabled [2021-12-18 16:41:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 16:41:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 16:41:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2021-12-18 16:41:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2021-12-18 16:41:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2021-12-18 16:41:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2021-12-18 16:41:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2021-12-18 16:41:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2021-12-18 16:41:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 16:41:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 16:41:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 16:41:20,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 16:41:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 16:41:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_is_vga [2021-12-18 16:41:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_is_vga [2021-12-18 16:41:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_request [2021-12-18 16:41:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_request [2021-12-18 16:41:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_reset_slot [2021-12-18 16:41:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_reset_slot [2021-12-18 16:41:21,660 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 16:41:21,665 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 16:41:21,873 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 16:44:07,325 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 16:44:07,796 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 16:44:07,796 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 16:44:07,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:44:07 BoogieIcfgContainer [2021-12-18 16:44:07,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 16:44:07,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 16:44:07,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 16:44:07,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 16:44:07,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:41:00" (1/3) ... [2021-12-18 16:44:07,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240b74fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:44:07, skipping insertion in model container [2021-12-18 16:44:07,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:41:09" (2/3) ... [2021-12-18 16:44:07,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240b74fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:44:07, skipping insertion in model container [2021-12-18 16:44:07,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:44:07" (3/3) ... [2021-12-18 16:44:07,974 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--vfio--pci--vfio-pci.ko-entry_point.cil.out.i [2021-12-18 16:44:07,979 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 16:44:07,979 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 16:44:08,524 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 16:44:08,531 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 [2021-12-18 16:44:08,531 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 16:44:11,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 264543 states, 263887 states have (on average 1.4993652586144828) internal successors, (395663), 263936 states have internal predecessors, (395663), 536 states have call successors, (536), 119 states have call predecessors, (536), 118 states have return successors, (530), 523 states have call predecessors, (530), 530 states have call successors, (530) [2021-12-18 16:44:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-12-18 16:44:11,141 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:44:11,142 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:44:11,142 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 16:44:11,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:44:11,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1806097317, now seen corresponding path program 1 times [2021-12-18 16:44:11,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:44:11,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636038193] [2021-12-18 16:44:11,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:44:11,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:44:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:44:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:44:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 16:44:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 16:44:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:44:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:11,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:44:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 16:44:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 16:44:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 16:44:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 16:44:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 16:44:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 16:44:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 16:44:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:44:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 16:44:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 16:44:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 16:44:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 16:44:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-18 16:44:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-18 16:44:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 16:44:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:44:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:44:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2021-12-18 16:44:12,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:44:12,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636038193] [2021-12-18 16:44:12,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636038193] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:44:12,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:44:12,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:44:12,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161901656] [2021-12-18 16:44:12,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:44:12,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:44:12,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:44:12,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:44:12,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:44:12,936 INFO L87 Difference]: Start difference. First operand has 264543 states, 263887 states have (on average 1.4993652586144828) internal successors, (395663), 263936 states have internal predecessors, (395663), 536 states have call successors, (536), 119 states have call predecessors, (536), 118 states have return successors, (530), 523 states have call predecessors, (530), 530 states have call successors, (530) Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2021-12-18 16:44:25,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:44:27,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:44:29,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []