./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 e19ca921 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-dev-e19ca92 [2021-12-22 15:19:51,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:19:51,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:19:51,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:19:51,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:19:51,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:19:51,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:19:51,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:19:51,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:19:51,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:19:51,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:19:51,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:19:51,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:19:51,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:19:51,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:19:51,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:19:51,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:19:51,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:19:51,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:19:51,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:19:51,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:19:51,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:19:51,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:19:51,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:19:51,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:19:51,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:19:51,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:19:51,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:19:51,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:19:51,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:19:51,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:19:51,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:19:51,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:19:51,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:19:51,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:19:51,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:19:51,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:19:51,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:19:51,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:19:51,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:19:51,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:19:51,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:19:51,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:19:51,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:19:51,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:19:51,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:19:51,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:19:51,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:19:51,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:19:51,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:19:51,125 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:19:51,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:19:51,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:19:51,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:19:51,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:19:51,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:19:51,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:19:51,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:19:51,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:19:51,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:19:51,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:19:51,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:19:51,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:19:51,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:19:51,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:19:51,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:19:51,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:19:51,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:19:51,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:19:51,129 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:19:51,129 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:19:51,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:19:51,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:19:51,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc [2021-12-22 15:19:51,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:19:51,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:19:51,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:19:51,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:19:51,348 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:19:51,350 INFO L432 ainManager$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 [2021-12-22 15:19:51,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95c57355/32c44ec948b64df1b1eaea9b5d5f8626/FLAGf98d77fa5 [2021-12-22 15:19:52,005 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:19:52,006 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 [2021-12-22 15:19:52,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95c57355/32c44ec948b64df1b1eaea9b5d5f8626/FLAGf98d77fa5 [2021-12-22 15:19:52,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95c57355/32c44ec948b64df1b1eaea9b5d5f8626 [2021-12-22 15:19:52,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:19:52,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:19:52,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:19:52,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:19:52,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:19:52,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:19:52" (1/1) ... [2021-12-22 15:19:52,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cad27f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:52, skipping insertion in model container [2021-12-22 15:19:52,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:19:52" (1/1) ... [2021-12-22 15:19:52,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:19:52,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:19:54,276 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] [2021-12-22 15:19:54,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:19:54,394 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:19:54,699 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] [2021-12-22 15:19:54,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:19:54,792 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:19:54,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54 WrapperNode [2021-12-22 15:19:54,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:19:54,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:19:54,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:19:54,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:19:54,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54" (1/1) ... [2021-12-22 15:19:54,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54" (1/1) ... [2021-12-22 15:19:55,123 INFO L137 Inliner]: procedures = 437, calls = 4229, calls flagged for inlining = 199, calls inlined = 195, statements flattened = 9406 [2021-12-22 15:19:55,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:19:55,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:19:55,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:19:55,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:19:55,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54" (1/1) ... [2021-12-22 15:19:55,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54" (1/1) ... [2021-12-22 15:19:55,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54" (1/1) ... [2021-12-22 15:19:55,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54" (1/1) ... [2021-12-22 15:19:55,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54" (1/1) ... [2021-12-22 15:19:55,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54" (1/1) ... [2021-12-22 15:19:55,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54" (1/1) ... [2021-12-22 15:19:55,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:19:55,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:19:55,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:19:55,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:19:55,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54" (1/1) ... [2021-12-22 15:19:55,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:19:55,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:19:55,476 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) [2021-12-22 15:19:55,495 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 [2021-12-22 15:19:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_export_device [2021-12-22 15:19:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_export_device [2021-12-22 15:19:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2021-12-22 15:19:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2021-12-22 15:19:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2021-12-22 15:19:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2021-12-22 15:19:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev [2021-12-22 15:19:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev [2021-12-22 15:19:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:19:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:19:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure HYPERVISOR_physdev_op [2021-12-22 15:19:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure HYPERVISOR_physdev_op [2021-12-22 15:19:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_bar [2021-12-22 15:19:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_bar [2021-12-22 15:19:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_frontend_changed [2021-12-22 15:19:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_frontend_changed [2021-12-22 15:19:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2021-12-22 15:19:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2021-12-22 15:19:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:19:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:19:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:19:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:19:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev___0 [2021-12-22 15:19:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev___0 [2021-12-22 15:19:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2021-12-22 15:19:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2021-12-22 15:19:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-22 15:19:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-22 15:19:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_attach [2021-12-22 15:19:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_attach [2021-12-22 15:19:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibios_err_to_errno [2021-12-22 15:19:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibios_err_to_errno [2021-12-22 15:19:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2021-12-22 15:19:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2021-12-22 15:19:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev [2021-12-22 15:19:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev [2021-12-22 15:19:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2021-12-22 15:19:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2021-12-22 15:19:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-22 15:19:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-22 15:19:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:19:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:19:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_get_pci_dev [2021-12-22 15:19:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_get_pci_dev [2021-12-22 15:19:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:19:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:19:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_control_isr [2021-12-22 15:19:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_control_isr [2021-12-22 15:19:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:19:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:19:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure valid_request [2021-12-22 15:19:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_request [2021-12-22 15:19:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2021-12-22 15:19:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2021-12-22 15:19:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-22 15:19:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field [2021-12-22 15:19:55,531 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field [2021-12-22 15:19:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:19:55,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:19:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:19:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:19:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:19:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-22 15:19:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-22 15:19:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_find [2021-12-22 15:19:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_find [2021-12-22 15:19:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:19:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:19:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_slot_reset [2021-12-22 15:19:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_slot_reset [2021-12-22 15:19:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:19:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:19:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure xen_register_device_domain_owner [2021-12-22 15:19:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_register_device_domain_owner [2021-12-22 15:19:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_detected [2021-12-22 15:19:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_detected [2021-12-22 15:19:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-22 15:19:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-22 15:19:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:19:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-12-22 15:19:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-12-22 15:19:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_remove [2021-12-22 15:19:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_remove [2021-12-22 15:19:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:19:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2021-12-22 15:19:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2021-12-22 15:19:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_15 [2021-12-22 15:19:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_15 [2021-12-22 15:19:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read_driver_state [2021-12-22 15:19:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read_driver_state [2021-12-22 15:19:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get [2021-12-22 15:19:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get [2021-12-22 15:19:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_release_pci_dev [2021-12-22 15:19:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_release_pci_dev [2021-12-22 15:19:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 15:19:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 15:19:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function_locked [2021-12-22 15:19:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function_locked [2021-12-22 15:19:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:19:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:19:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-22 15:19:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-22 15:19:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields [2021-12-22 15:19:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields [2021-12-22 15:19:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-22 15:19:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-22 15:19:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:19:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:19:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:19:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:19:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_probe [2021-12-22 15:19:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_probe [2021-12-22 15:19:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2021-12-22 15:19:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2021-12-22 15:19:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:19:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 15:19:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 15:19:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:19:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:19:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-22 15:19:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-22 15:19:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:19:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:19:55,545 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-22 15:19:55,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-22 15:19:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2021-12-22 15:19:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2021-12-22 15:19:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev [2021-12-22 15:19:55,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev [2021-12-22 15:19:55,552 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2021-12-22 15:19:55,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2021-12-22 15:19:55,552 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-22 15:19:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-22 15:19:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_quirk_show [2021-12-22 15:19:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_quirk_show [2021-12-22 15:19:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:19:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:19:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_disconnect [2021-12-22 15:19:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_disconnect [2021-12-22 15:19:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-22 15:19:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-22 15:19:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:19:55,554 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:19:55,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:19:55,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:19:55,554 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2021-12-22 15:19:55,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2021-12-22 15:19:55,554 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:19:55,554 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:19:55,554 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_slot_show [2021-12-22 15:19:55,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_slot_show [2021-12-22 15:19:55,554 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_read [2021-12-22 15:19:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_read [2021-12-22 15:19:55,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-22 15:19:55,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-22 15:19:55,555 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-22 15:19:55,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-22 15:19:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_do_op [2021-12-22 15:19:55,556 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_do_op [2021-12-22 15:19:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2021-12-22 15:19:55,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2021-12-22 15:19:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2021-12-22 15:19:55,556 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2021-12-22 15:19:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:19:55,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:19:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices [2021-12-22 15:19:55,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices [2021-12-22 15:19:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-22 15:19:55,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-22 15:19:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:19:55,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:19:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev___0 [2021-12-22 15:19:55,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev___0 [2021-12-22 15:19:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:19:55,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:19:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots [2021-12-22 15:19:55,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots [2021-12-22 15:19:55,558 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2021-12-22 15:19:55,558 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2021-12-22 15:19:55,558 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dev [2021-12-22 15:19:55,558 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dev [2021-12-22 15:19:55,558 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_device_domain_owner [2021-12-22 15:19:55,558 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_device_domain_owner [2021-12-22 15:19:55,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:19:55,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:19:55,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-22 15:19:55,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-22 15:19:55,559 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pirq_from_irq [2021-12-22 15:19:55,559 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pirq_from_irq [2021-12-22 15:19:55,559 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev___0 [2021-12-22 15:19:55,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev___0 [2021-12-22 15:19:55,559 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_init_device [2021-12-22 15:19:55,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_init_device [2021-12-22 15:19:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-22 15:19:55,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-22 15:19:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:19:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2021-12-22 15:19:55,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2021-12-22 15:19:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:19:55,560 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:19:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-22 15:19:55,560 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-22 15:19:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure kill_domain_by_device [2021-12-22 15:19:55,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_domain_by_device [2021-12-22 15:19:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:19:55,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:19:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure merge_value [2021-12-22 15:19:55,561 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_value [2021-12-22 15:19:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:19:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_mmio_enabled [2021-12-22 15:19:55,561 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_mmio_enabled [2021-12-22 15:19:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure xen_find_device_domain_owner [2021-12-22 15:19:55,562 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_find_device_domain_owner [2021-12-22 15:19:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-12-22 15:19:55,562 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-12-22 15:19:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-22 15:19:55,562 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-22 15:19:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-22 15:19:55,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-22 15:19:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:19:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2021-12-22 15:19:55,562 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2021-12-22 15:19:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots___0 [2021-12-22 15:19:55,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots___0 [2021-12-22 15:19:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-22 15:19:55,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-22 15:19:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure permissive_show [2021-12-22 15:19:55,563 INFO L138 BoogieDeclarations]: Found implementation of procedure permissive_show [2021-12-22 15:19:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 15:19:55,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 15:19:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:19:55,563 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:19:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 15:19:55,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 15:19:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_irq_handler_show [2021-12-22 15:19:55,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_irq_handler_show [2021-12-22 15:19:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure common_process [2021-12-22 15:19:55,564 INFO L138 BoogieDeclarations]: Found implementation of procedure common_process [2021-12-22 15:19:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-22 15:19:55,564 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-22 15:19:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field_offset [2021-12-22 15:19:55,564 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field_offset [2021-12-22 15:19:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-22 15:19:55,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-22 15:19:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:19:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:19:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure str_to_slot [2021-12-22 15:19:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure str_to_slot [2021-12-22 15:19:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-22 15:19:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-22 15:19:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_exit [2021-12-22 15:19:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_exit [2021-12-22 15:19:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2021-12-22 15:19:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2021-12-22 15:19:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:19:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:19:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get_pci_dev [2021-12-22 15:19:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get_pci_dev [2021-12-22 15:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:19:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_reset_device [2021-12-22 15:19:55,571 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_reset_device [2021-12-22 15:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_test_and_schedule_op [2021-12-22 15:19:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_test_and_schedule_op [2021-12-22 15:19:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:19:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:19:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:19:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:19:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure register_capability [2021-12-22 15:19:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure register_capability [2021-12-22 15:19:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields_offset [2021-12-22 15:19:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields_offset [2021-12-22 15:19:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-12-22 15:19:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-12-22 15:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:19:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_enabled [2021-12-22 15:19:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_enabled [2021-12-22 15:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:19:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2021-12-22 15:19:55,573 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2021-12-22 15:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices___0 [2021-12-22 15:19:55,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices___0 [2021-12-22 15:19:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure get_mask [2021-12-22 15:19:55,574 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mask [2021-12-22 15:19:56,502 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:19:56,511 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:20:00,181 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:20:08,304 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:20:08,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:20:08,328 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:20:08,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:20:08 BoogieIcfgContainer [2021-12-22 15:20:08,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:20:08,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:20:08,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:20:08,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:20:08,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:19:52" (1/3) ... [2021-12-22 15:20:08,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dabbb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:20:08, skipping insertion in model container [2021-12-22 15:20:08,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:19:54" (2/3) ... [2021-12-22 15:20:08,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dabbb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:20:08, skipping insertion in model container [2021-12-22 15:20:08,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:20:08" (3/3) ... [2021-12-22 15:20:08,339 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 [2021-12-22 15:20:08,343 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:20:08,343 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:20:08,396 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:20:08,404 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 [2021-12-22 15:20:08,405 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:20:08,464 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) [2021-12-22 15:20:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-12-22 15:20:08,490 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:20:08,491 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] [2021-12-22 15:20:08,491 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:20:08,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:20:08,496 INFO L85 PathProgramCache]: Analyzing trace with hash -466183320, now seen corresponding path program 1 times [2021-12-22 15:20:08,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:20:08,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106714283] [2021-12-22 15:20:08,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:20:08,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:20:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:20:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:20:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:20:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:20:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:20:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:20:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:20:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:20:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:20:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:20:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:20:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:20:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 15:20:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 15:20:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:20:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 15:20:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-22 15:20:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:20:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 15:20:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:20:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-22 15:20:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:20:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-22 15:20:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-22 15:20:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-22 15:20:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-12-22 15:20:09,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:20:09,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106714283] [2021-12-22 15:20:09,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106714283] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:20:09,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:20:09,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:20:09,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486897296] [2021-12-22 15:20:09,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:20:09,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:20:09,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:20:09,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:20:09,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:20:09,895 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) [2021-12-22 15:20:13,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:20:14,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:20:16,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:20:19,270 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 [] [2021-12-22 15:20:28,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:20:28,120 INFO L93 Difference]: Finished difference Result 6241 states and 9403 transitions. [2021-12-22 15:20:28,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:20:28,122 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 [2021-12-22 15:20:28,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:20:28,156 INFO L225 Difference]: With dead ends: 6241 [2021-12-22 15:20:28,157 INFO L226 Difference]: Without dead ends: 3281 [2021-12-22 15:20:28,181 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 [2021-12-22 15:20:28,183 INFO L933 BasicCegarLoop]: 4013 mSDtfsCounter, 1179 mSDsluCounter, 5757 mSDsCounter, 0 mSdLazyCounter, 3726 mSolverCounterSat, 993 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 9770 SdHoareTripleChecker+Invalid, 4721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 993 IncrementalHoareTripleChecker+Valid, 3726 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:20:28,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1356 Valid, 9770 Invalid, 4721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [993 Valid, 3726 Invalid, 2 Unknown, 0 Unchecked, 17.8s Time] [2021-12-22 15:20:28,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2021-12-22 15:20:28,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 2907. [2021-12-22 15:20:28,356 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) [2021-12-22 15:20:28,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4239 transitions. [2021-12-22 15:20:28,380 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4239 transitions. Word has length 355 [2021-12-22 15:20:28,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:20:28,382 INFO L470 AbstractCegarLoop]: Abstraction has 2907 states and 4239 transitions. [2021-12-22 15:20:28,382 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) [2021-12-22 15:20:28,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4239 transitions. [2021-12-22 15:20:28,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-12-22 15:20:28,391 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:20:28,391 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] [2021-12-22 15:20:28,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:20:28,392 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:20:28,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:20:28,393 INFO L85 PathProgramCache]: Analyzing trace with hash -868760314, now seen corresponding path program 1 times [2021-12-22 15:20:28,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:20:28,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711033241] [2021-12-22 15:20:28,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:20:28,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:20:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:20:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:20:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:20:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:20:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:20:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:20:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:20:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:20:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:20:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:20:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:20:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:20:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 15:20:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 15:20:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:20:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 15:20:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-22 15:20:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:20:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 15:20:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:20:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-22 15:20:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:20:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-22 15:20:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-22 15:20:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-22 15:20:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-12-22 15:20:29,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:20:29,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711033241] [2021-12-22 15:20:29,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711033241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:20:29,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:20:29,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:20:29,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433391668] [2021-12-22 15:20:29,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:20:29,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:20:29,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:20:29,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:20:29,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:20:29,307 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) [2021-12-22 15:20:41,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:20:41,874 INFO L93 Difference]: Finished difference Result 9334 states and 13840 transitions. [2021-12-22 15:20:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:20:41,874 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 [2021-12-22 15:20:41,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:20:41,911 INFO L225 Difference]: With dead ends: 9334 [2021-12-22 15:20:41,911 INFO L226 Difference]: Without dead ends: 6479 [2021-12-22 15:20:41,925 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 [2021-12-22 15:20:41,926 INFO L933 BasicCegarLoop]: 4477 mSDtfsCounter, 8708 mSDsluCounter, 5737 mSDsCounter, 0 mSdLazyCounter, 3208 mSolverCounterSat, 6077 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9344 SdHoareTripleChecker+Valid, 10214 SdHoareTripleChecker+Invalid, 9285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6077 IncrementalHoareTripleChecker+Valid, 3208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:20:41,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9344 Valid, 10214 Invalid, 9285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6077 Valid, 3208 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2021-12-22 15:20:41,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6479 states. [2021-12-22 15:20:42,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6479 to 5726. [2021-12-22 15:20:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5726 states, 4095 states have (on average 1.3772893772893773) internal successors, (5640), 4226 states have internal predecessors, (5640), 1358 states have call successors, (1358), 273 states have call predecessors, (1358), 272 states have return successors, (1355), 1330 states have call predecessors, (1355), 1355 states have call successors, (1355) [2021-12-22 15:20:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 8353 transitions. [2021-12-22 15:20:42,112 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 8353 transitions. Word has length 355 [2021-12-22 15:20:42,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:20:42,114 INFO L470 AbstractCegarLoop]: Abstraction has 5726 states and 8353 transitions. [2021-12-22 15:20:42,114 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) [2021-12-22 15:20:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 8353 transitions. [2021-12-22 15:20:42,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-12-22 15:20:42,120 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:20:42,121 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] [2021-12-22 15:20:42,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:20:42,121 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:20:42,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:20:42,122 INFO L85 PathProgramCache]: Analyzing trace with hash -869944462, now seen corresponding path program 1 times [2021-12-22 15:20:42,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:20:42,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937193492] [2021-12-22 15:20:42,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:20:42,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:20:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:20:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:20:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:20:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:20:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:20:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:20:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:20:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:20:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:20:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:20:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:20:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:20:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 15:20:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 15:20:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:20:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 15:20:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-22 15:20:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:20:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:20:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 15:20:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:20:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-22 15:20:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:20:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-22 15:20:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-22 15:20:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-22 15:20:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:20:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 15:20:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:20:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-12-22 15:20:42,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:20:42,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937193492] [2021-12-22 15:20:42,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937193492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:20:42,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:20:42,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:20:42,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706449730] [2021-12-22 15:20:42,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:20:42,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:20:42,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:20:42,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:20:42,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:20:42,850 INFO L87 Difference]: Start difference. First operand 5726 states and 8353 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) [2021-12-22 15:20:46,089 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 [] [2021-12-22 15:20:47,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:20:49,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []