./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-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.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 b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:25:36,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:25:36,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:25:36,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:25:36,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:25:36,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:25:36,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:25:36,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:25:36,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:25:36,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:25:36,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:25:36,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:25:36,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:25:36,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:25:36,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:25:36,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:25:36,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:25:36,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:25:36,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:25:36,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:25:36,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:25:36,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:25:36,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:25:36,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:25:36,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:25:36,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:25:36,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:25:36,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:25:36,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:25:36,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:25:36,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:25:36,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:25:36,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:25:36,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:25:36,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:25:36,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:25:36,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:25:36,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:25:36,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:25:36,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:25:36,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:25:36,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:25:36,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:25:36,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:25:36,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:25:36,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:25:36,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:25:36,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:25:36,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:25:36,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:25:36,501 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:25:36,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:25:36,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:25:36,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:25:36,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:25:36,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:25:36,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:25:36,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:25:36,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:25:36,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:25:36,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:25:36,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:25:36,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:25:36,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:25:36,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:25:36,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:25:36,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:25:36,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:25:36,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:25:36,505 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:25:36,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:25:36,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:25:36,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:25:36,506 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc [2021-12-14 18:25:36,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:25:36,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:25:36,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:25:36,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:25:36,688 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:25:36,689 INFO L432 ainManager$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-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2021-12-14 18:25:36,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013f545e9/2a03c81b339a4b38b3520af3f124a8a0/FLAG33613c86c [2021-12-14 18:25:37,342 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:25:37,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2021-12-14 18:25:37,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013f545e9/2a03c81b339a4b38b3520af3f124a8a0/FLAG33613c86c [2021-12-14 18:25:37,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013f545e9/2a03c81b339a4b38b3520af3f124a8a0 [2021-12-14 18:25:37,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:25:37,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:25:37,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:25:37,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:25:37,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:25:37,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:37" (1/1) ... [2021-12-14 18:25:37,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c243dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:37, skipping insertion in model container [2021-12-14 18:25:37,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:37" (1/1) ... [2021-12-14 18:25:37,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:25:37,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:25:39,710 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-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2021-12-14 18:25:39,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:25:39,796 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:25:40,123 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-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2021-12-14 18:25:40,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:25:40,209 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:25:40,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40 WrapperNode [2021-12-14 18:25:40,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:25:40,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:25:40,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:25:40,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:25:40,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40" (1/1) ... [2021-12-14 18:25:40,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40" (1/1) ... [2021-12-14 18:25:40,588 INFO L137 Inliner]: procedures = 437, calls = 4229, calls flagged for inlining = 199, calls inlined = 195, statements flattened = 9406 [2021-12-14 18:25:40,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:25:40,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:25:40,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:25:40,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:25:40,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40" (1/1) ... [2021-12-14 18:25:40,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40" (1/1) ... [2021-12-14 18:25:40,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40" (1/1) ... [2021-12-14 18:25:40,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40" (1/1) ... [2021-12-14 18:25:40,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40" (1/1) ... [2021-12-14 18:25:40,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40" (1/1) ... [2021-12-14 18:25:40,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40" (1/1) ... [2021-12-14 18:25:40,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:25:40,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:25:40,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:25:40,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:25:40,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40" (1/1) ... [2021-12-14 18:25:40,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:25:40,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:25:40,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:25:40,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:25:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_export_device [2021-12-14 18:25:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_export_device [2021-12-14 18:25:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2021-12-14 18:25:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2021-12-14 18:25:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2021-12-14 18:25:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2021-12-14 18:25:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev [2021-12-14 18:25:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev [2021-12-14 18:25:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:25:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:25:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure HYPERVISOR_physdev_op [2021-12-14 18:25:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure HYPERVISOR_physdev_op [2021-12-14 18:25:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_bar [2021-12-14 18:25:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_bar [2021-12-14 18:25:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_frontend_changed [2021-12-14 18:25:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_frontend_changed [2021-12-14 18:25:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2021-12-14 18:25:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2021-12-14 18:25:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:25:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:25:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:25:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:25:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev___0 [2021-12-14 18:25:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev___0 [2021-12-14 18:25:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2021-12-14 18:25:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2021-12-14 18:25:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-14 18:25:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-14 18:25:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_attach [2021-12-14 18:25:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_attach [2021-12-14 18:25:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibios_err_to_errno [2021-12-14 18:25:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibios_err_to_errno [2021-12-14 18:25:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2021-12-14 18:25:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2021-12-14 18:25:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev [2021-12-14 18:25:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev [2021-12-14 18:25:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2021-12-14 18:25:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2021-12-14 18:25:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-14 18:25:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-14 18:25:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:25:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:25:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_get_pci_dev [2021-12-14 18:25:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_get_pci_dev [2021-12-14 18:25:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:25:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:25:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_control_isr [2021-12-14 18:25:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_control_isr [2021-12-14 18:25:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:25:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:25:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure valid_request [2021-12-14 18:25:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_request [2021-12-14 18:25:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2021-12-14 18:25:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2021-12-14 18:25:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-14 18:25:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field [2021-12-14 18:25:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field [2021-12-14 18:25:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:25:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:25:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:25:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:25:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:25:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-14 18:25:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-14 18:25:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_find [2021-12-14 18:25:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_find [2021-12-14 18:25:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:25:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:25:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_slot_reset [2021-12-14 18:25:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_slot_reset [2021-12-14 18:25:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:25:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:25:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure xen_register_device_domain_owner [2021-12-14 18:25:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_register_device_domain_owner [2021-12-14 18:25:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_detected [2021-12-14 18:25:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_detected [2021-12-14 18:25:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-14 18:25:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-14 18:25:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:25:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-12-14 18:25:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-12-14 18:25:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_remove [2021-12-14 18:25:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_remove [2021-12-14 18:25:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:25:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2021-12-14 18:25:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2021-12-14 18:25:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_15 [2021-12-14 18:25:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_15 [2021-12-14 18:25:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read_driver_state [2021-12-14 18:25:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read_driver_state [2021-12-14 18:25:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get [2021-12-14 18:25:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get [2021-12-14 18:25:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_release_pci_dev [2021-12-14 18:25:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_release_pci_dev [2021-12-14 18:25:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 18:25:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 18:25:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function_locked [2021-12-14 18:25:40,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function_locked [2021-12-14 18:25:40,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:25:40,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:25:40,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-14 18:25:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-14 18:25:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields [2021-12-14 18:25:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields [2021-12-14 18:25:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-14 18:25:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-14 18:25:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:25:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:25:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:25:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:25:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_probe [2021-12-14 18:25:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_probe [2021-12-14 18:25:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2021-12-14 18:25:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2021-12-14 18:25:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:25:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:25:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:25:40,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:25:40,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:25:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-14 18:25:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-14 18:25:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:25:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:25:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-14 18:25:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-14 18:25:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2021-12-14 18:25:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2021-12-14 18:25:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev [2021-12-14 18:25:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev [2021-12-14 18:25:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2021-12-14 18:25:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2021-12-14 18:25:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 18:25:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 18:25:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_quirk_show [2021-12-14 18:25:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_quirk_show [2021-12-14 18:25:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:25:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:25:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_disconnect [2021-12-14 18:25:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_disconnect [2021-12-14 18:25:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-14 18:25:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-14 18:25:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:25:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:25:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:25:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:25:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2021-12-14 18:25:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2021-12-14 18:25:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:25:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:25:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_slot_show [2021-12-14 18:25:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_slot_show [2021-12-14 18:25:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_read [2021-12-14 18:25:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_read [2021-12-14 18:25:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-14 18:25:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-14 18:25:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-14 18:25:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-14 18:25:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_do_op [2021-12-14 18:25:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_do_op [2021-12-14 18:25:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2021-12-14 18:25:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2021-12-14 18:25:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2021-12-14 18:25:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2021-12-14 18:25:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:25:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:25:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices [2021-12-14 18:25:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices [2021-12-14 18:25:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-14 18:25:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-14 18:25:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:25:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:25:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev___0 [2021-12-14 18:25:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev___0 [2021-12-14 18:25:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:25:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:25:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots [2021-12-14 18:25:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots [2021-12-14 18:25:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2021-12-14 18:25:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2021-12-14 18:25:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dev [2021-12-14 18:25:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dev [2021-12-14 18:25:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_device_domain_owner [2021-12-14 18:25:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_device_domain_owner [2021-12-14 18:25:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:25:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:25:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-14 18:25:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-14 18:25:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pirq_from_irq [2021-12-14 18:25:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pirq_from_irq [2021-12-14 18:25:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev___0 [2021-12-14 18:25:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev___0 [2021-12-14 18:25:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_init_device [2021-12-14 18:25:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_init_device [2021-12-14 18:25:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 18:25:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 18:25:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:25:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2021-12-14 18:25:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2021-12-14 18:25:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:25:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:25:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-14 18:25:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-14 18:25:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure kill_domain_by_device [2021-12-14 18:25:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_domain_by_device [2021-12-14 18:25:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:25:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:25:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure merge_value [2021-12-14 18:25:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_value [2021-12-14 18:25:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:25:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_mmio_enabled [2021-12-14 18:25:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_mmio_enabled [2021-12-14 18:25:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure xen_find_device_domain_owner [2021-12-14 18:25:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_find_device_domain_owner [2021-12-14 18:25:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-12-14 18:25:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-12-14 18:25:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-14 18:25:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-14 18:25:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-14 18:25:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-14 18:25:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:25:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2021-12-14 18:25:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2021-12-14 18:25:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots___0 [2021-12-14 18:25:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots___0 [2021-12-14 18:25:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-14 18:25:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-14 18:25:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure permissive_show [2021-12-14 18:25:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure permissive_show [2021-12-14 18:25:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 18:25:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 18:25:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:25:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:25:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 18:25:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 18:25:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_irq_handler_show [2021-12-14 18:25:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_irq_handler_show [2021-12-14 18:25:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure common_process [2021-12-14 18:25:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure common_process [2021-12-14 18:25:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-14 18:25:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-14 18:25:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field_offset [2021-12-14 18:25:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field_offset [2021-12-14 18:25:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-14 18:25:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-14 18:25:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:25:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:25:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure str_to_slot [2021-12-14 18:25:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure str_to_slot [2021-12-14 18:25:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-14 18:25:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-14 18:25:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_exit [2021-12-14 18:25:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_exit [2021-12-14 18:25:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2021-12-14 18:25:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2021-12-14 18:25:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:25:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:25:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:25:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:25:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:25:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get_pci_dev [2021-12-14 18:25:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get_pci_dev [2021-12-14 18:25:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:25:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:25:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_reset_device [2021-12-14 18:25:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_reset_device [2021-12-14 18:25:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_test_and_schedule_op [2021-12-14 18:25:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_test_and_schedule_op [2021-12-14 18:25:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:25:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:25:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 18:25:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 18:25:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure register_capability [2021-12-14 18:25:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure register_capability [2021-12-14 18:25:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields_offset [2021-12-14 18:25:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields_offset [2021-12-14 18:25:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-12-14 18:25:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-12-14 18:25:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:25:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:25:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_enabled [2021-12-14 18:25:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_enabled [2021-12-14 18:25:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-14 18:25:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-14 18:25:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:25:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2021-12-14 18:25:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2021-12-14 18:25:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices___0 [2021-12-14 18:25:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices___0 [2021-12-14 18:25:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure get_mask [2021-12-14 18:25:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mask [2021-12-14 18:25:41,953 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:25:41,957 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:25:45,362 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:25:53,349 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:25:53,367 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:25:53,367 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:25:53,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:53 BoogieIcfgContainer [2021-12-14 18:25:53,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:25:53,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:25:53,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:25:53,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:25:53,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:25:37" (1/3) ... [2021-12-14 18:25:53,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617a10ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:25:53, skipping insertion in model container [2021-12-14 18:25:53,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:40" (2/3) ... [2021-12-14 18:25:53,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617a10ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:25:53, skipping insertion in model container [2021-12-14 18:25:53,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:53" (3/3) ... [2021-12-14 18:25:53,376 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2021-12-14 18:25:53,380 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:25:53,380 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:25:53,419 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:25:53,423 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:25:53,424 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:25:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 2936 states, 2085 states have (on average 1.3808153477218226) internal successors, (2879), 2166 states have internal predecessors, (2879), 712 states have call successors, (712), 138 states have call predecessors, (712), 137 states have return successors, (697), 685 states have call predecessors, (697), 697 states have call successors, (697) [2021-12-14 18:25:53,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-12-14 18:25:53,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:25:53,483 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:25:53,484 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:25:53,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:25:53,498 INFO L85 PathProgramCache]: Analyzing trace with hash -466183320, now seen corresponding path program 1 times [2021-12-14 18:25:53,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:25:53,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154645909] [2021-12-14 18:25:53,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:25:53,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:25:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:25:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:25:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:25:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:25:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:25:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:25:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:25:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:25:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:25:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:25:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:25:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:25:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:25:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:25:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:25:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:25:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-14 18:25:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:25:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 18:25:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:25:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-14 18:25:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:25:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-14 18:25:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-14 18:25:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-14 18:25:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-12-14 18:25:54,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:25:54,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154645909] [2021-12-14 18:25:54,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154645909] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:25:54,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:25:54,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:25:54,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388307960] [2021-12-14 18:25:54,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:25:54,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:25:54,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:25:54,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:25:54,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:25:54,830 INFO L87 Difference]: Start difference. First operand has 2936 states, 2085 states have (on average 1.3808153477218226) internal successors, (2879), 2166 states have internal predecessors, (2879), 712 states have call successors, (712), 138 states have call predecessors, (712), 137 states have return successors, (697), 685 states have call predecessors, (697), 697 states have call successors, (697) Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-14 18:25:58,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:26:01,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:26:09,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:26:09,006 INFO L93 Difference]: Finished difference Result 6241 states and 9403 transitions. [2021-12-14 18:26:09,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:26:09,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 355 [2021-12-14 18:26:09,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:26:09,041 INFO L225 Difference]: With dead ends: 6241 [2021-12-14 18:26:09,041 INFO L226 Difference]: Without dead ends: 3281 [2021-12-14 18:26:09,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:26:09,057 INFO L933 BasicCegarLoop]: 4006 mSDtfsCounter, 1179 mSDsluCounter, 5746 mSDsCounter, 0 mSdLazyCounter, 3727 mSolverCounterSat, 985 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 9752 SdHoareTripleChecker+Invalid, 4714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 985 IncrementalHoareTripleChecker+Valid, 3727 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:26:09,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1353 Valid, 9752 Invalid, 4714 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [985 Valid, 3727 Invalid, 2 Unknown, 0 Unchecked, 13.8s Time] [2021-12-14 18:26:09,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2021-12-14 18:26:09,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 2907. [2021-12-14 18:26:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2074 states have (on average 1.3736740597878496) internal successors, (2849), 2139 states have internal predecessors, (2849), 696 states have call successors, (696), 137 states have call predecessors, (696), 136 states have return successors, (694), 682 states have call predecessors, (694), 694 states have call successors, (694) [2021-12-14 18:26:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4239 transitions. [2021-12-14 18:26:09,211 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4239 transitions. Word has length 355 [2021-12-14 18:26:09,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:26:09,211 INFO L470 AbstractCegarLoop]: Abstraction has 2907 states and 4239 transitions. [2021-12-14 18:26:09,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-14 18:26:09,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4239 transitions. [2021-12-14 18:26:09,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-12-14 18:26:09,217 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:26:09,217 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:26:09,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:26:09,218 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:26:09,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:26:09,218 INFO L85 PathProgramCache]: Analyzing trace with hash -868760314, now seen corresponding path program 1 times [2021-12-14 18:26:09,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:26:09,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841575964] [2021-12-14 18:26:09,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:26:09,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:26:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:26:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:26:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:26:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:26:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:26:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:26:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:26:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:26:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:26:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:26:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:26:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:26:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:26:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:26:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:26:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:26:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-14 18:26:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:26:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 18:26:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:26:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-14 18:26:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:26:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-14 18:26:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-14 18:26:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-14 18:26:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-12-14 18:26:09,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:26:09,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841575964] [2021-12-14 18:26:09,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841575964] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:26:09,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:26:09,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:26:09,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273170861] [2021-12-14 18:26:09,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:26:09,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:26:09,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:26:09,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:26:09,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:26:09,949 INFO L87 Difference]: Start difference. First operand 2907 states and 4239 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-14 18:26:12,601 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 [] [2021-12-14 18:26:14,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:26:24,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:26:24,009 INFO L93 Difference]: Finished difference Result 9328 states and 13836 transitions. [2021-12-14 18:26:24,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:26:24,010 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 355 [2021-12-14 18:26:24,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:26:24,049 INFO L225 Difference]: With dead ends: 9328 [2021-12-14 18:26:24,049 INFO L226 Difference]: Without dead ends: 6473 [2021-12-14 18:26:24,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:26:24,066 INFO L933 BasicCegarLoop]: 4568 mSDtfsCounter, 8655 mSDsluCounter, 5806 mSDsCounter, 0 mSdLazyCounter, 3241 mSolverCounterSat, 6063 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9293 SdHoareTripleChecker+Valid, 10374 SdHoareTripleChecker+Invalid, 9305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6063 IncrementalHoareTripleChecker+Valid, 3241 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:26:24,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9293 Valid, 10374 Invalid, 9305 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6063 Valid, 3241 Invalid, 1 Unknown, 0 Unchecked, 13.6s Time] [2021-12-14 18:26:24,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6473 states. [2021-12-14 18:26:24,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6473 to 5738. [2021-12-14 18:26:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5738 states, 4102 states have (on average 1.3773768893222817) internal successors, (5650), 4236 states have internal predecessors, (5650), 1361 states have call successors, (1361), 273 states have call predecessors, (1361), 274 states have return successors, (1371), 1333 states have call predecessors, (1371), 1358 states have call successors, (1371) [2021-12-14 18:26:24,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5738 states to 5738 states and 8382 transitions. [2021-12-14 18:26:24,274 INFO L78 Accepts]: Start accepts. Automaton has 5738 states and 8382 transitions. Word has length 355 [2021-12-14 18:26:24,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:26:24,276 INFO L470 AbstractCegarLoop]: Abstraction has 5738 states and 8382 transitions. [2021-12-14 18:26:24,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-14 18:26:24,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5738 states and 8382 transitions. [2021-12-14 18:26:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-12-14 18:26:24,282 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:26:24,282 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:26:24,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:26:24,283 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:26:24,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:26:24,283 INFO L85 PathProgramCache]: Analyzing trace with hash -869944462, now seen corresponding path program 1 times [2021-12-14 18:26:24,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:26:24,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645352444] [2021-12-14 18:26:24,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:26:24,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:26:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:26:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:26:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:26:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:26:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:26:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:26:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:26:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:26:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:26:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:26:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:26:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:26:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:26:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:26:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:26:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:26:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-14 18:26:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:26:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 18:26:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:25,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 18:26:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:26:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-14 18:26:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:25,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:26:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:25,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-14 18:26:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-14 18:26:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-14 18:26:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:25,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:25,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 18:26:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:25,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-12-14 18:26:25,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:26:25,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645352444] [2021-12-14 18:26:25,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645352444] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:26:25,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:26:25,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:26:25,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967597124] [2021-12-14 18:26:25,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:26:25,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:26:25,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:26:25,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:26:25,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:26:25,086 INFO L87 Difference]: Start difference. First operand 5738 states and 8382 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-14 18:26:28,292 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 [] [2021-12-14 18:26:30,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:26:32,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:26:33,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:26:35,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:26:37,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []