./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.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 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:00:49,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:00:49,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:00:49,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:00:49,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:00:49,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:00:49,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:00:49,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:00:49,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:00:49,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:00:49,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:00:49,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:00:49,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:00:49,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:00:49,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:00:49,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:00:49,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:00:49,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:00:49,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:00:49,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:00:49,352 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:00:49,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:00:49,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:00:49,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:00:49,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:00:49,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:00:49,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:00:49,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:00:49,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:00:49,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:00:49,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:00:49,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:00:49,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:00:49,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:00:49,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:00:49,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:00:49,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:00:49,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:00:49,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:00:49,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:00:49,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:00:49,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:00:49,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:00:49,393 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:00:49,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:00:49,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:00:49,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:00:49,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:00:49,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:00:49,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:00:49,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:00:49,395 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:00:49,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:00:49,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:00:49,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:00:49,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:00:49,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:00:49,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:00:49,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:00:49,397 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:00:49,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:00:49,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:00:49,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:00:49,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:00:49,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:00:49,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:00:49,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:00:49,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:00:49,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:00:49,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:00:49,399 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:00:49,399 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:00:49,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:00:49,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 [2022-07-23 01:00:49,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:00:49,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:00:49,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:00:49,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:00:49,615 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:00:49,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-07-23 01:00:49,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e96a96c/3c9511c81c49411abe846f6a489b85f9/FLAGcb6502e3a [2022-07-23 01:00:50,280 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:00:50,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-07-23 01:00:50,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e96a96c/3c9511c81c49411abe846f6a489b85f9/FLAGcb6502e3a [2022-07-23 01:00:50,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e96a96c/3c9511c81c49411abe846f6a489b85f9 [2022-07-23 01:00:50,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:00:50,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:00:50,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:00:50,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:00:50,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:00:50,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:00:50" (1/1) ... [2022-07-23 01:00:50,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1daa2467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:50, skipping insertion in model container [2022-07-23 01:00:50,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:00:50" (1/1) ... [2022-07-23 01:00:50,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:00:50,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:00:53,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2022-07-23 01:00:53,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:00:53,782 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:00:54,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2022-07-23 01:00:54,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:00:54,246 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:00:54,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54 WrapperNode [2022-07-23 01:00:54,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:00:54,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:00:54,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:00:54,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:00:54,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54" (1/1) ... [2022-07-23 01:00:54,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54" (1/1) ... [2022-07-23 01:00:54,581 INFO L137 Inliner]: procedures = 713, calls = 6159, calls flagged for inlining = 240, calls inlined = 191, statements flattened = 9072 [2022-07-23 01:00:54,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:00:54,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:00:54,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:00:54,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:00:54,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54" (1/1) ... [2022-07-23 01:00:54,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54" (1/1) ... [2022-07-23 01:00:54,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54" (1/1) ... [2022-07-23 01:00:54,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54" (1/1) ... [2022-07-23 01:00:54,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54" (1/1) ... [2022-07-23 01:00:54,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54" (1/1) ... [2022-07-23 01:00:54,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54" (1/1) ... [2022-07-23 01:00:54,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:00:54,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:00:54,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:00:54,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:00:54,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54" (1/1) ... [2022-07-23 01:00:54,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:00:54,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:00:55,002 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) [2022-07-23 01:00:55,019 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 [2022-07-23 01:00:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 01:00:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 01:00:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix_exact [2022-07-23 01:00:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix_exact [2022-07-23 01:00:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_signal_notify [2022-07-23 01:00:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_signal_notify [2022-07-23 01:00:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_send [2022-07-23 01:00:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_send [2022-07-23 01:00:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_exists [2022-07-23 01:00:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_exists [2022-07-23 01:00:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_code_active [2022-07-23 01:00:55,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_code_active [2022-07-23 01:00:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_subscriber_mutex [2022-07-23 01:00:55,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_subscriber_mutex [2022-07-23 01:00:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_put [2022-07-23 01:00:55,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_put [2022-07-23 01:00:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:00:55,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:00:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_open [2022-07-23 01:00:55,041 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_open [2022-07-23 01:00:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unregister_user_memory [2022-07-23 01:00:55,041 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unregister_user_memory [2022-07-23 01:00:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_add_notification [2022-07-23 01:00:55,041 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_add_notification [2022-07-23 01:00:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_unlocked_ioctl [2022-07-23 01:00:55,041 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_unlocked_ioctl [2022-07-23 01:00:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-23 01:00:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-23 01:00:55,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:00:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:00:55,042 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get_id [2022-07-23 01:00:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get_id [2022-07-23 01:00:55,042 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 01:00:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 01:00:55,042 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_has_entry [2022-07-23 01:00:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_has_entry [2022-07-23 01:00:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_destroy [2022-07-23 01:00:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_destroy [2022-07-23 01:00:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_send_datagram [2022-07-23 01:00:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_send_datagram [2022-07-23 01:00:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-23 01:00:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-23 01:00:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get [2022-07-23 01:00:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get [2022-07-23 01:00:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_entry [2022-07-23 01:00:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_entry [2022-07-23 01:00:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-23 01:00:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-23 01:00:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure qp_acquire_queue_mutex [2022-07-23 01:00:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_acquire_queue_mutex [2022-07-23 01:00:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_get_context_id [2022-07-23 01:00:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_get_context_id [2022-07-23 01:00:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_map_queues [2022-07-23 01:00:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_map_queues [2022-07-23 01:00:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_add [2022-07-23 01:00:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_add [2022-07-23 01:00:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 01:00:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 01:00:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 01:00:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 01:00:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock___1 [2022-07-23 01:00:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock___1 [2022-07-23 01:00:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2022-07-23 01:00:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2022-07-23 01:00:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_get_head [2022-07-23 01:00:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_get_head [2022-07-23 01:00:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure dbell_delayed_dispatch [2022-07-23 01:00:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure dbell_delayed_dispatch [2022-07-23 01:00:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2022-07-23 01:00:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2022-07-23 01:00:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2022-07-23 01:00:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2022-07-23 01:00:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 01:00:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 01:00:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-23 01:00:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:00:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:00:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_qp_list [2022-07-23 01:00:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_qp_list [2022-07-23 01:00:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure dg_delayed_dispatch [2022-07-23 01:00:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_delayed_dispatch [2022-07-23 01:00:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:00:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-23 01:00:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-23 01:00:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-23 01:00:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-23 01:00:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 01:00:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 01:00:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:00:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:00:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_host [2022-07-23 01:00:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_host [2022-07-23 01:00:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 01:00:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 01:00:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 01:00:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure qp_reset_saved_headers [2022-07-23 01:00:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_reset_saved_headers [2022-07-23 01:00:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_handle [2022-07-23 01:00:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_handle [2022-07-23 01:00:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_add_entry [2022-07-23 01:00:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_add_entry [2022-07-23 01:00:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid [2022-07-23 01:00:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid [2022-07-23 01:00:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_dispatch [2022-07-23 01:00:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_dispatch [2022-07-23 01:00:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 01:00:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-23 01:00:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-23 01:00:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2022-07-23 01:00:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2022-07-23 01:00:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 01:00:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-07-23 01:00:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-07-23 01:00:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_find [2022-07-23 01:00:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_find [2022-07-23 01:00:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:00:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:00:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2022-07-23 01:00:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2022-07-23 01:00:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-23 01:00:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-23 01:00:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_clear_notify_call [2022-07-23 01:00:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_clear_notify_call [2022-07-23 01:00:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-23 01:00:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-23 01:00:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer [2022-07-23 01:00:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer [2022-07-23 01:00:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 01:00:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 01:00:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-23 01:00:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-23 01:00:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_unset_notify [2022-07-23 01:00:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_unset_notify [2022-07-23 01:00:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2022-07-23 01:00:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2022-07-23 01:00:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_exit [2022-07-23 01:00:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_exit [2022-07-23 01:00:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_destroy [2022-07-23 01:00:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_destroy [2022-07-23 01:00:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2022-07-23 01:00:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2022-07-23 01:00:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-23 01:00:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-23 01:00:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-23 01:00:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-23 01:00:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure qp_lock [2022-07-23 01:00:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_lock [2022-07-23 01:00:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-23 01:00:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-23 01:00:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_by_handle [2022-07-23 01:00:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_by_handle [2022-07-23 01:00:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:00:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:00:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer_local [2022-07-23 01:00:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer_local [2022-07-23 01:00:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure vunmap [2022-07-23 01:00:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vunmap [2022-07-23 01:00:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_get_user_memory [2022-07-23 01:00:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_get_user_memory [2022-07-23 01:00:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_fire_notification [2022-07-23 01:00:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_fire_notification [2022-07-23 01:00:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:00:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure qp_unlock [2022-07-23 01:00:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_unlock [2022-07-23 01:00:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_close [2022-07-23 01:00:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_close [2022-07-23 01:00:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:00:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_probe_device [2022-07-23 01:00:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_probe_device [2022-07-23 01:00:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___1 [2022-07-23 01:00:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___1 [2022-07-23 01:00:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___0 [2022-07-23 01:00:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___0 [2022-07-23 01:00:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_alloc_queue [2022-07-23 01:00:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_alloc_queue [2022-07-23 01:00:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:00:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 01:00:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_free_ctx [2022-07-23 01:00:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_free_ctx [2022-07-23 01:00:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:00:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:00:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_poll [2022-07-23 01:00:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_poll [2022-07-23 01:00:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-23 01:00:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-23 01:00:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 01:00:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 01:00:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_pages [2022-07-23 01:00:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_pages [2022-07-23 01:00:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure qp_cleanup_queue_mutex [2022-07-23 01:00:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_cleanup_queue_mutex [2022-07-23 01:00:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_size [2022-07-23 01:00:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_size [2022-07-23 01:00:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_hypercall [2022-07-23 01:00:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_hypercall [2022-07-23 01:00:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-23 01:00:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-23 01:00:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 01:00:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 01:00:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_remove_entry [2022-07-23 01:00:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_remove_entry [2022-07-23 01:00:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 01:00:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 01:00:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_q_header_init [2022-07-23 01:00:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_q_header_init [2022-07-23 01:00:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add_rcu [2022-07-23 01:00:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add_rcu [2022-07-23 01:00:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_register_user_memory [2022-07-23 01:00:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_register_user_memory [2022-07-23 01:00:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 01:00:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 01:00:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_guest_work [2022-07-23 01:00:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_guest_work [2022-07-23 01:00:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure drv_cp_harray_to_user [2022-07-23 01:00:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure drv_cp_harray_to_user [2022-07-23 01:00:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:00:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:00:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 01:00:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 01:00:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_tail [2022-07-23 01:00:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_tail [2022-07-23 01:00:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_subscriber_mutex [2022-07-23 01:00:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_subscriber_mutex [2022-07-23 01:00:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-23 01:00:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-23 01:00:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_supports_host_qp [2022-07-23 01:00:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_supports_host_qp [2022-07-23 01:00:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:00:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:00:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:00:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:00:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_detach [2022-07-23 01:00:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_detach [2022-07-23 01:00:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_enqueue_datagram [2022-07-23 01:00:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_enqueue_datagram [2022-07-23 01:00:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 01:00:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 01:00:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unmap_queues [2022-07-23 01:00:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unmap_queues [2022-07-23 01:00:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-07-23 01:00:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-07-23 01:00:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_qp_list [2022-07-23 01:00:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_qp_list [2022-07-23 01:00:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 01:00:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 01:00:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:00:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:00:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 01:00:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 01:00:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:00:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:00:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-23 01:00:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-23 01:00:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:00:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:00:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-07-23 01:00:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-07-23 01:00:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2022-07-23 01:00:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2022-07-23 01:00:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_notify_dbell [2022-07-23 01:00:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_notify_dbell [2022-07-23 01:00:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_append_entry [2022-07-23 01:00:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_append_entry [2022-07-23 01:00:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-23 01:00:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-23 01:00:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-23 01:00:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-23 01:00:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_handle_to_entry [2022-07-23 01:00:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_handle_to_entry [2022-07-23 01:00:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qpair_detach [2022-07-23 01:00:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qpair_detach [2022-07-23 01:00:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 01:00:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 01:00:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:00:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:00:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:00:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_hash [2022-07-23 01:00:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_hash [2022-07-23 01:00:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_create [2022-07-23 01:00:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_create [2022-07-23 01:00:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure event_find [2022-07-23 01:00:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure event_find [2022-07-23 01:00:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_alloc [2022-07-23 01:00:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_alloc [2022-07-23 01:00:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:00:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_host_work [2022-07-23 01:00:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_host_work [2022-07-23 01:00:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-07-23 01:00:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-07-23 01:00:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure hash_32 [2022-07-23 01:00:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_32 [2022-07-23 01:00:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-07-23 01:00:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-07-23 01:00:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock___1 [2022-07-23 01:00:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock___1 [2022-07-23 01:00:55,074 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_endpoint_destroy [2022-07-23 01:00:55,074 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_endpoint_destroy [2022-07-23 01:00:55,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:00:55,074 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_guest [2022-07-23 01:00:55,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_guest [2022-07-23 01:00:55,074 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 01:00:55,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 01:00:55,074 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 01:00:55,074 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 01:00:55,075 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 01:00:55,075 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 01:00:55,075 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_dispatch [2022-07-23 01:00:55,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_dispatch [2022-07-23 01:00:55,075 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_queue_mutex [2022-07-23 01:00:55,075 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_queue_mutex [2022-07-23 01:00:55,075 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 01:00:55,075 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 01:00:55,075 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_route [2022-07-23 01:00:55,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_route [2022-07-23 01:00:55,076 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2022-07-23 01:00:55,076 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2022-07-23 01:00:55,076 INFO L130 BoogieDeclarations]: Found specification of procedure qp_free_queue [2022-07-23 01:00:55,076 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_free_queue [2022-07-23 01:00:55,076 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_free_queue [2022-07-23 01:00:55,076 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_free_queue [2022-07-23 01:00:55,076 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 01:00:55,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 01:00:55,076 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_set [2022-07-23 01:00:55,076 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_set [2022-07-23 01:00:55,077 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_get_priv_flags [2022-07-23 01:00:55,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_get_priv_flags [2022-07-23 01:00:55,077 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_exists [2022-07-23 01:00:55,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_exists [2022-07-23 01:00:55,077 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2022-07-23 01:00:55,077 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2022-07-23 01:00:55,077 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_remove [2022-07-23 01:00:55,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_remove [2022-07-23 01:00:55,077 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:00:55,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:00:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure qp_init_queue_mutex [2022-07-23 01:00:55,078 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_init_queue_mutex [2022-07-23 01:00:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 01:00:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_context_get_priv_flags [2022-07-23 01:00:55,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_context_get_priv_flags [2022-07-23 01:00:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-07-23 01:00:55,078 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-07-23 01:00:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-23 01:00:55,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-23 01:00:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:00:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:00:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2022-07-23 01:00:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2022-07-23 01:00:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work___0 [2022-07-23 01:00:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work___0 [2022-07-23 01:00:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-07-23 01:00:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-07-23 01:00:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:00:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:00:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_guest_endpoints_exit [2022-07-23 01:00:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_guest_endpoints_exit [2022-07-23 01:00:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_HLIST_NODE [2022-07-23 01:00:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_HLIST_NODE [2022-07-23 01:00:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-23 01:00:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-23 01:00:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 01:00:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 01:00:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_equal [2022-07-23 01:00:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_equal [2022-07-23 01:00:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_destroy [2022-07-23 01:00:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_destroy [2022-07-23 01:00:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_handle_to_entry [2022-07-23 01:00:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_handle_to_entry [2022-07-23 01:00:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-23 01:00:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-23 01:00:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch [2022-07-23 01:00:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch [2022-07-23 01:00:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure handle_arr_calc_size [2022-07-23 01:00:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_arr_calc_size [2022-07-23 01:00:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-07-23 01:00:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-07-23 01:00:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2022-07-23 01:00:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2022-07-23 01:00:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_alloc [2022-07-23 01:00:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_alloc [2022-07-23 01:00:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-23 01:00:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-23 01:00:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-07-23 01:00:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-07-23 01:00:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 01:00:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 01:00:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 01:00:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 01:00:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2022-07-23 01:00:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2022-07-23 01:00:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_get [2022-07-23 01:00:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_get [2022-07-23 01:00:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2022-07-23 01:00:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2022-07-23 01:00:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 01:00:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 01:00:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-07-23 01:00:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-07-23 01:00:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_entry [2022-07-23 01:00:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_entry [2022-07-23 01:00:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_unsubscribe [2022-07-23 01:00:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_unsubscribe [2022-07-23 01:00:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_deny_interaction [2022-07-23 01:00:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_deny_interaction [2022-07-23 01:00:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_remove_device [2022-07-23 01:00:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_remove_device [2022-07-23 01:00:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_create [2022-07-23 01:00:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_create [2022-07-23 01:00:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_code_active [2022-07-23 01:00:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_code_active [2022-07-23 01:00:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 01:00:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 01:00:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 01:00:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 01:00:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-23 01:00:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-23 01:00:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 01:00:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 01:00:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_lookup [2022-07-23 01:00:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_lookup [2022-07-23 01:00:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-23 01:00:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-23 01:00:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 01:00:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_create [2022-07-23 01:00:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_create [2022-07-23 01:00:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_put [2022-07-23 01:00:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_put [2022-07-23 01:00:55,934 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:00:55,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:00:56,280 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:01:10,928 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:01:10,960 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:01:10,960 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:01:10,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:01:10 BoogieIcfgContainer [2022-07-23 01:01:10,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:01:10,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:01:10,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:01:10,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:01:10,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:00:50" (1/3) ... [2022-07-23 01:01:10,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e547bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:01:10, skipping insertion in model container [2022-07-23 01:01:10,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:00:54" (2/3) ... [2022-07-23 01:01:10,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e547bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:01:10, skipping insertion in model container [2022-07-23 01:01:10,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:01:10" (3/3) ... [2022-07-23 01:01:10,974 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-07-23 01:01:10,984 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:01:10,984 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:01:11,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:01:11,084 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@328eed0b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@192623c1 [2022-07-23 01:01:11,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:01:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 3389 states, 2341 states have (on average 1.3707817172148655) internal successors, (3209), 2408 states have internal predecessors, (3209), 843 states have call successors, (843), 204 states have call predecessors, (843), 203 states have return successors, (839), 833 states have call predecessors, (839), 839 states have call successors, (839) [2022-07-23 01:01:11,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-23 01:01:11,108 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:11,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:11,109 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:11,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:11,114 INFO L85 PathProgramCache]: Analyzing trace with hash 289228627, now seen corresponding path program 1 times [2022-07-23 01:01:11,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:01:11,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020126250] [2022-07-23 01:01:11,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:11,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:01:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 01:01:11,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:01:11,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020126250] [2022-07-23 01:01:11,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020126250] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:11,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:01:11,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 01:01:11,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882668177] [2022-07-23 01:01:11,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:11,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:01:11,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:01:11,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:01:11,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:01:11,708 INFO L87 Difference]: Start difference. First operand has 3389 states, 2341 states have (on average 1.3707817172148655) internal successors, (3209), 2408 states have internal predecessors, (3209), 843 states have call successors, (843), 204 states have call predecessors, (843), 203 states have return successors, (839), 833 states have call predecessors, (839), 839 states have call successors, (839) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 01:01:11,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:11,936 INFO L93 Difference]: Finished difference Result 6773 states and 9961 transitions. [2022-07-23 01:01:11,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:01:11,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-07-23 01:01:11,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:11,976 INFO L225 Difference]: With dead ends: 6773 [2022-07-23 01:01:11,976 INFO L226 Difference]: Without dead ends: 3381 [2022-07-23 01:01:11,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 01:01:12,001 INFO L413 NwaCegarLoop]: 4866 mSDtfsCounter, 1 mSDsluCounter, 4862 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9728 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:12,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9728 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:01:12,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3381 states. [2022-07-23 01:01:12,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3381 to 3379. [2022-07-23 01:01:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3379 states, 2337 states have (on average 1.3658536585365855) internal successors, (3192), 2398 states have internal predecessors, (3192), 839 states have call successors, (839), 203 states have call predecessors, (839), 202 states have return successors, (824), 818 states have call predecessors, (824), 824 states have call successors, (824) [2022-07-23 01:01:12,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 3379 states and 4855 transitions. [2022-07-23 01:01:12,197 INFO L78 Accepts]: Start accepts. Automaton has 3379 states and 4855 transitions. Word has length 27 [2022-07-23 01:01:12,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:12,197 INFO L495 AbstractCegarLoop]: Abstraction has 3379 states and 4855 transitions. [2022-07-23 01:01:12,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 01:01:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 3379 states and 4855 transitions. [2022-07-23 01:01:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-23 01:01:12,205 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:12,205 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:12,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 01:01:12,205 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:12,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:12,206 INFO L85 PathProgramCache]: Analyzing trace with hash -720615107, now seen corresponding path program 1 times [2022-07-23 01:01:12,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:01:12,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846985828] [2022-07-23 01:01:12,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:12,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:01:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:01:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 01:01:12,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:01:12,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846985828] [2022-07-23 01:01:12,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846985828] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:12,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:01:12,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 01:01:12,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773965050] [2022-07-23 01:01:12,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:12,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 01:01:12,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:01:12,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 01:01:12,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 01:01:12,533 INFO L87 Difference]: Start difference. First operand 3379 states and 4855 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:17,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:01:21,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:21,412 INFO L93 Difference]: Finished difference Result 10280 states and 14861 transitions. [2022-07-23 01:01:21,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 01:01:21,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-07-23 01:01:21,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:21,450 INFO L225 Difference]: With dead ends: 10280 [2022-07-23 01:01:21,451 INFO L226 Difference]: Without dead ends: 6907 [2022-07-23 01:01:21,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:01:21,465 INFO L413 NwaCegarLoop]: 7948 mSDtfsCounter, 5348 mSDsluCounter, 7170 mSDsCounter, 0 mSdLazyCounter, 3352 mSolverCounterSat, 1678 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5940 SdHoareTripleChecker+Valid, 15118 SdHoareTripleChecker+Invalid, 5031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1678 IncrementalHoareTripleChecker+Valid, 3352 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:21,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5940 Valid, 15118 Invalid, 5031 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1678 Valid, 3352 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-07-23 01:01:21,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6907 states. [2022-07-23 01:01:21,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6907 to 6653. [2022-07-23 01:01:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6653 states, 4605 states have (on average 1.3656894679695983) internal successors, (6289), 4712 states have internal predecessors, (6289), 1643 states have call successors, (1643), 405 states have call predecessors, (1643), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-07-23 01:01:21,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6653 states to 6653 states and 9560 transitions. [2022-07-23 01:01:21,685 INFO L78 Accepts]: Start accepts. Automaton has 6653 states and 9560 transitions. Word has length 29 [2022-07-23 01:01:21,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:21,686 INFO L495 AbstractCegarLoop]: Abstraction has 6653 states and 9560 transitions. [2022-07-23 01:01:21,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 6653 states and 9560 transitions. [2022-07-23 01:01:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-23 01:01:21,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:21,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:21,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 01:01:21,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:21,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:21,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1258315447, now seen corresponding path program 1 times [2022-07-23 01:01:21,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:01:21,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11687100] [2022-07-23 01:01:21,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:21,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:01:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:01:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 01:01:21,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:01:21,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11687100] [2022-07-23 01:01:21,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11687100] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:01:21,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697676710] [2022-07-23 01:01:21,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:21,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:21,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:01:21,971 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:01:21,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 01:01:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:23,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 4888 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 01:01:23,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:01:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 01:01:23,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:01:23,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697676710] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:23,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:01:23,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-23 01:01:23,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718566642] [2022-07-23 01:01:23,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:23,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:01:23,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:01:23,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:01:23,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:23,175 INFO L87 Difference]: Start difference. First operand 6653 states and 9560 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:23,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:23,268 INFO L93 Difference]: Finished difference Result 6655 states and 9561 transitions. [2022-07-23 01:01:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:01:23,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-07-23 01:01:23,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:23,298 INFO L225 Difference]: With dead ends: 6655 [2022-07-23 01:01:23,299 INFO L226 Difference]: Without dead ends: 6652 [2022-07-23 01:01:23,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:23,307 INFO L413 NwaCegarLoop]: 4851 mSDtfsCounter, 4822 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4822 SdHoareTripleChecker+Valid, 4851 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:23,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4822 Valid, 4851 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:01:23,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6652 states. [2022-07-23 01:01:23,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6652 to 6652. [2022-07-23 01:01:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6652 states, 4605 states have (on average 1.365472312703583) internal successors, (6288), 4711 states have internal predecessors, (6288), 1642 states have call successors, (1642), 405 states have call predecessors, (1642), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-07-23 01:01:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6652 states to 6652 states and 9558 transitions. [2022-07-23 01:01:23,554 INFO L78 Accepts]: Start accepts. Automaton has 6652 states and 9558 transitions. Word has length 33 [2022-07-23 01:01:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:23,555 INFO L495 AbstractCegarLoop]: Abstraction has 6652 states and 9558 transitions. [2022-07-23 01:01:23,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 6652 states and 9558 transitions. [2022-07-23 01:01:23,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-23 01:01:23,557 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:23,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:23,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 01:01:23,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:23,767 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:23,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:23,768 INFO L85 PathProgramCache]: Analyzing trace with hash 351711725, now seen corresponding path program 1 times [2022-07-23 01:01:23,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:01:23,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020250112] [2022-07-23 01:01:23,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:23,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:01:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:01:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 01:01:24,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:01:24,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020250112] [2022-07-23 01:01:24,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020250112] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:01:24,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213970834] [2022-07-23 01:01:24,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:24,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:24,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:01:24,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:01:24,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 01:01:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:25,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 4890 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 01:01:25,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:01:25,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 01:01:25,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:01:25,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213970834] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:25,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:01:25,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-23 01:01:25,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310105854] [2022-07-23 01:01:25,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:25,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:01:25,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:01:25,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:01:25,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:25,201 INFO L87 Difference]: Start difference. First operand 6652 states and 9558 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:25,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:25,292 INFO L93 Difference]: Finished difference Result 6654 states and 9559 transitions. [2022-07-23 01:01:25,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:01:25,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-07-23 01:01:25,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:25,322 INFO L225 Difference]: With dead ends: 6654 [2022-07-23 01:01:25,322 INFO L226 Difference]: Without dead ends: 6651 [2022-07-23 01:01:25,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:25,326 INFO L413 NwaCegarLoop]: 4849 mSDtfsCounter, 4819 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4819 SdHoareTripleChecker+Valid, 4849 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:25,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4819 Valid, 4849 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:01:25,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6651 states. [2022-07-23 01:01:25,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6651 to 6651. [2022-07-23 01:01:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6651 states, 4605 states have (on average 1.3652551574375678) internal successors, (6287), 4710 states have internal predecessors, (6287), 1641 states have call successors, (1641), 405 states have call predecessors, (1641), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-07-23 01:01:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6651 states to 6651 states and 9556 transitions. [2022-07-23 01:01:25,570 INFO L78 Accepts]: Start accepts. Automaton has 6651 states and 9556 transitions. Word has length 34 [2022-07-23 01:01:25,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:25,570 INFO L495 AbstractCegarLoop]: Abstraction has 6651 states and 9556 transitions. [2022-07-23 01:01:25,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 6651 states and 9556 transitions. [2022-07-23 01:01:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-23 01:01:25,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:25,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:25,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 01:01:25,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-07-23 01:01:25,784 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:25,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:25,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1983195014, now seen corresponding path program 1 times [2022-07-23 01:01:25,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:01:25,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060531669] [2022-07-23 01:01:25,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:25,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:01:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:25,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:01:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 01:01:26,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:01:26,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060531669] [2022-07-23 01:01:26,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060531669] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:01:26,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335665059] [2022-07-23 01:01:26,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:26,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:26,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:01:26,009 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:01:26,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 01:01:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:27,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 4892 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 01:01:27,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:01:27,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 01:01:27,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:01:27,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335665059] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:27,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:01:27,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-23 01:01:27,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112157377] [2022-07-23 01:01:27,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:27,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:01:27,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:01:27,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:01:27,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:27,073 INFO L87 Difference]: Start difference. First operand 6651 states and 9556 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:27,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:27,259 INFO L93 Difference]: Finished difference Result 10476 states and 14764 transitions. [2022-07-23 01:01:27,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:01:27,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-07-23 01:01:27,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:27,311 INFO L225 Difference]: With dead ends: 10476 [2022-07-23 01:01:27,311 INFO L226 Difference]: Without dead ends: 10472 [2022-07-23 01:01:27,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:27,316 INFO L413 NwaCegarLoop]: 5326 mSDtfsCounter, 4738 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4738 SdHoareTripleChecker+Valid, 8055 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:27,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4738 Valid, 8055 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:01:27,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10472 states. [2022-07-23 01:01:27,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10472 to 10464. [2022-07-23 01:01:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10464 states, 7194 states have (on average 1.348623853211009) internal successors, (9702), 7369 states have internal predecessors, (9702), 2530 states have call successors, (2530), 740 states have call predecessors, (2530), 739 states have return successors, (2519), 2495 states have call predecessors, (2519), 2519 states have call successors, (2519) [2022-07-23 01:01:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10464 states to 10464 states and 14751 transitions. [2022-07-23 01:01:27,592 INFO L78 Accepts]: Start accepts. Automaton has 10464 states and 14751 transitions. Word has length 35 [2022-07-23 01:01:27,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:27,593 INFO L495 AbstractCegarLoop]: Abstraction has 10464 states and 14751 transitions. [2022-07-23 01:01:27,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 10464 states and 14751 transitions. [2022-07-23 01:01:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-23 01:01:27,594 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:27,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:27,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 01:01:27,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:27,807 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:27,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:27,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1350855024, now seen corresponding path program 1 times [2022-07-23 01:01:27,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:01:27,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736555587] [2022-07-23 01:01:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:27,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:01:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:27,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:01:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 01:01:28,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:01:28,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736555587] [2022-07-23 01:01:28,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736555587] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:01:28,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241328506] [2022-07-23 01:01:28,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:28,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:28,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:01:28,020 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:01:28,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 01:01:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:29,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 4894 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 01:01:29,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:01:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 01:01:29,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:01:29,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241328506] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:29,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:01:29,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-23 01:01:29,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871102881] [2022-07-23 01:01:29,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:29,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:01:29,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:01:29,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:01:29,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:29,219 INFO L87 Difference]: Start difference. First operand 10464 states and 14751 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:29,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:29,348 INFO L93 Difference]: Finished difference Result 10466 states and 14752 transitions. [2022-07-23 01:01:29,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:01:29,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-07-23 01:01:29,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:29,385 INFO L225 Difference]: With dead ends: 10466 [2022-07-23 01:01:29,385 INFO L226 Difference]: Without dead ends: 10463 [2022-07-23 01:01:29,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:29,393 INFO L413 NwaCegarLoop]: 4843 mSDtfsCounter, 4811 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4811 SdHoareTripleChecker+Valid, 4843 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:29,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4811 Valid, 4843 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:01:29,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10463 states. [2022-07-23 01:01:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10463 to 10463. [2022-07-23 01:01:29,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10463 states, 7194 states have (on average 1.3484848484848484) internal successors, (9701), 7368 states have internal predecessors, (9701), 2529 states have call successors, (2529), 740 states have call predecessors, (2529), 739 states have return successors, (2519), 2495 states have call predecessors, (2519), 2519 states have call successors, (2519) [2022-07-23 01:01:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10463 states to 10463 states and 14749 transitions. [2022-07-23 01:01:29,654 INFO L78 Accepts]: Start accepts. Automaton has 10463 states and 14749 transitions. Word has length 36 [2022-07-23 01:01:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:29,655 INFO L495 AbstractCegarLoop]: Abstraction has 10463 states and 14749 transitions. [2022-07-23 01:01:29,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 10463 states and 14749 transitions. [2022-07-23 01:01:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-23 01:01:29,656 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:29,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:29,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-23 01:01:29,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:29,867 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:29,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:29,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1071820349, now seen corresponding path program 1 times [2022-07-23 01:01:29,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:01:29,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759843563] [2022-07-23 01:01:29,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:29,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:01:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:30,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:01:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:30,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 01:01:30,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:01:30,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759843563] [2022-07-23 01:01:30,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759843563] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:01:30,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911557419] [2022-07-23 01:01:30,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:30,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:30,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:01:30,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:01:30,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 01:01:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:31,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 4896 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 01:01:31,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:01:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 01:01:31,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:01:31,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911557419] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:31,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:01:31,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-23 01:01:31,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615697116] [2022-07-23 01:01:31,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:31,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:01:31,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:01:31,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:01:31,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:31,189 INFO L87 Difference]: Start difference. First operand 10463 states and 14749 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:31,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:31,495 INFO L93 Difference]: Finished difference Result 27378 states and 38939 transitions. [2022-07-23 01:01:31,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:01:31,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-07-23 01:01:31,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:31,575 INFO L225 Difference]: With dead ends: 27378 [2022-07-23 01:01:31,575 INFO L226 Difference]: Without dead ends: 16921 [2022-07-23 01:01:31,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:31,621 INFO L413 NwaCegarLoop]: 5611 mSDtfsCounter, 4104 mSDsluCounter, 3025 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4104 SdHoareTripleChecker+Valid, 8636 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:31,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4104 Valid, 8636 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:01:31,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16921 states. [2022-07-23 01:01:32,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16921 to 16878. [2022-07-23 01:01:32,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16878 states, 11605 states have (on average 1.3412322274881516) internal successors, (15565), 11889 states have internal predecessors, (15565), 3966 states have call successors, (3966), 1300 states have call predecessors, (3966), 1306 states have return successors, (4152), 3925 states have call predecessors, (4152), 3952 states have call successors, (4152) [2022-07-23 01:01:32,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16878 states to 16878 states and 23683 transitions. [2022-07-23 01:01:32,219 INFO L78 Accepts]: Start accepts. Automaton has 16878 states and 23683 transitions. Word has length 37 [2022-07-23 01:01:32,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:32,219 INFO L495 AbstractCegarLoop]: Abstraction has 16878 states and 23683 transitions. [2022-07-23 01:01:32,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 16878 states and 23683 transitions. [2022-07-23 01:01:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-23 01:01:32,221 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:32,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:32,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-23 01:01:32,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:32,438 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:32,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:32,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1134649549, now seen corresponding path program 1 times [2022-07-23 01:01:32,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:01:32,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528180463] [2022-07-23 01:01:32,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:32,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:01:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:32,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:01:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 01:01:32,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:01:32,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528180463] [2022-07-23 01:01:32,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528180463] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:01:32,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110115272] [2022-07-23 01:01:32,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:32,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:32,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:01:32,619 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:01:32,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 01:01:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:33,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 4898 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 01:01:33,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:01:33,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 01:01:33,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:01:33,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110115272] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:33,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:01:33,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-23 01:01:33,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462479609] [2022-07-23 01:01:33,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:33,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:01:33,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:01:33,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:01:33,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:33,754 INFO L87 Difference]: Start difference. First operand 16878 states and 23683 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:34,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:34,375 INFO L93 Difference]: Finished difference Result 50578 states and 72747 transitions. [2022-07-23 01:01:34,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:01:34,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-07-23 01:01:34,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:34,541 INFO L225 Difference]: With dead ends: 50578 [2022-07-23 01:01:34,541 INFO L226 Difference]: Without dead ends: 33706 [2022-07-23 01:01:34,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:34,611 INFO L413 NwaCegarLoop]: 5942 mSDtfsCounter, 4879 mSDsluCounter, 4906 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4879 SdHoareTripleChecker+Valid, 10848 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:34,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4879 Valid, 10848 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:01:34,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33706 states. [2022-07-23 01:01:35,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33706 to 33667. [2022-07-23 01:01:35,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33667 states, 23155 states have (on average 1.3415676959619953) internal successors, (31064), 23716 states have internal predecessors, (31064), 7907 states have call successors, (7907), 2595 states have call predecessors, (7907), 2604 states have return successors, (9180), 7829 states have call predecessors, (9180), 7892 states have call successors, (9180) [2022-07-23 01:01:35,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33667 states to 33667 states and 48151 transitions. [2022-07-23 01:01:35,691 INFO L78 Accepts]: Start accepts. Automaton has 33667 states and 48151 transitions. Word has length 38 [2022-07-23 01:01:35,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:35,691 INFO L495 AbstractCegarLoop]: Abstraction has 33667 states and 48151 transitions. [2022-07-23 01:01:35,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 33667 states and 48151 transitions. [2022-07-23 01:01:35,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-23 01:01:35,693 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:35,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:35,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-23 01:01:35,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:35,899 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:35,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:35,900 INFO L85 PathProgramCache]: Analyzing trace with hash -815734784, now seen corresponding path program 1 times [2022-07-23 01:01:35,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:01:35,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844589134] [2022-07-23 01:01:35,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:35,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:01:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:01:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 01:01:36,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:01:36,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844589134] [2022-07-23 01:01:36,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844589134] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:01:36,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746406529] [2022-07-23 01:01:36,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:36,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:36,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:01:36,085 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:01:36,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-23 01:01:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:37,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 4900 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 01:01:37,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:01:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-23 01:01:37,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:01:37,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746406529] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:37,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:01:37,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-23 01:01:37,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452536119] [2022-07-23 01:01:37,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:37,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:01:37,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:01:37,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:01:37,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:37,208 INFO L87 Difference]: Start difference. First operand 33667 states and 48151 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:37,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:01:37,922 INFO L93 Difference]: Finished difference Result 33795 states and 48241 transitions. [2022-07-23 01:01:37,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:01:37,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-07-23 01:01:37,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:01:38,106 INFO L225 Difference]: With dead ends: 33795 [2022-07-23 01:01:38,106 INFO L226 Difference]: Without dead ends: 33763 [2022-07-23 01:01:38,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:38,144 INFO L413 NwaCegarLoop]: 4837 mSDtfsCounter, 4752 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4752 SdHoareTripleChecker+Valid, 4891 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:01:38,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4752 Valid, 4891 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:01:38,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33763 states. [2022-07-23 01:01:39,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33763 to 33761. [2022-07-23 01:01:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33761 states, 23221 states have (on average 1.339649455234486) internal successors, (31108), 23781 states have internal predecessors, (31108), 7900 states have call successors, (7900), 2630 states have call predecessors, (7900), 2639 states have return successors, (9174), 7823 states have call predecessors, (9174), 7886 states have call successors, (9174) [2022-07-23 01:01:39,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33761 states to 33761 states and 48182 transitions. [2022-07-23 01:01:39,414 INFO L78 Accepts]: Start accepts. Automaton has 33761 states and 48182 transitions. Word has length 39 [2022-07-23 01:01:39,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:01:39,414 INFO L495 AbstractCegarLoop]: Abstraction has 33761 states and 48182 transitions. [2022-07-23 01:01:39,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 01:01:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 33761 states and 48182 transitions. [2022-07-23 01:01:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-23 01:01:39,417 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:01:39,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:01:39,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-23 01:01:39,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:01:39,642 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:01:39,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:01:39,642 INFO L85 PathProgramCache]: Analyzing trace with hash 775182156, now seen corresponding path program 1 times [2022-07-23 01:01:39,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:01:39,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347564371] [2022-07-23 01:01:39,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:01:39,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:01:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:39,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:01:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:01:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:39,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:01:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:01:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:39,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 01:01:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:39,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 01:01:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:39,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 01:01:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:39,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 01:01:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:01:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 01:01:39,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:01:39,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347564371] [2022-07-23 01:01:39,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347564371] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:01:39,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:01:39,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:01:39,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559120886] [2022-07-23 01:01:39,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:01:39,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:01:39,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:01:39,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:01:39,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:01:39,888 INFO L87 Difference]: Start difference. First operand 33761 states and 48182 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 01:01:44,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:01:46,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:02:01,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:02:03,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:02:13,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:02:13,753 INFO L93 Difference]: Finished difference Result 114039 states and 167242 transitions. [2022-07-23 01:02:13,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 01:02:13,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2022-07-23 01:02:13,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:02:14,339 INFO L225 Difference]: With dead ends: 114039 [2022-07-23 01:02:14,339 INFO L226 Difference]: Without dead ends: 80284 [2022-07-23 01:02:14,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-07-23 01:02:14,454 INFO L413 NwaCegarLoop]: 4700 mSDtfsCounter, 11878 mSDsluCounter, 5931 mSDsCounter, 0 mSdLazyCounter, 11417 mSolverCounterSat, 7528 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12621 SdHoareTripleChecker+Valid, 10631 SdHoareTripleChecker+Invalid, 18948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7528 IncrementalHoareTripleChecker+Valid, 11417 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:02:14,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12621 Valid, 10631 Invalid, 18948 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7528 Valid, 11417 Invalid, 3 Unknown, 0 Unchecked, 31.2s Time] [2022-07-23 01:02:14,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80284 states. [2022-07-23 01:02:16,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80284 to 72962. [2022-07-23 01:02:16,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72962 states, 50120 states have (on average 1.3353551476456504) internal successors, (66928), 51196 states have internal predecessors, (66928), 17123 states have call successors, (17123), 5257 states have call predecessors, (17123), 5718 states have return successors, (21132), 17520 states have call predecessors, (21132), 17108 states have call successors, (21132) [2022-07-23 01:02:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72962 states to 72962 states and 105183 transitions. [2022-07-23 01:02:17,456 INFO L78 Accepts]: Start accepts. Automaton has 72962 states and 105183 transitions. Word has length 70 [2022-07-23 01:02:17,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:02:17,456 INFO L495 AbstractCegarLoop]: Abstraction has 72962 states and 105183 transitions. [2022-07-23 01:02:17,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 01:02:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand 72962 states and 105183 transitions. [2022-07-23 01:02:17,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-23 01:02:17,462 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:02:17,463 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:02:17,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 01:02:17,463 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:02:17,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:02:17,464 INFO L85 PathProgramCache]: Analyzing trace with hash -536222083, now seen corresponding path program 1 times [2022-07-23 01:02:17,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:02:17,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681171608] [2022-07-23 01:02:17,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:02:17,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:02:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-23 01:02:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:02:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:02:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:02:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:02:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 01:02:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:02:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 01:02:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:02:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 01:02:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:02:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 01:02:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:02:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:02:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 01:02:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 01:02:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 01:02:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-23 01:02:17,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:02:17,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681171608] [2022-07-23 01:02:17,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681171608] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:02:17,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:02:17,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:02:17,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174900278] [2022-07-23 01:02:17,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:02:17,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:02:17,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:02:17,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:02:17,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:02:17,994 INFO L87 Difference]: Start difference. First operand 72962 states and 105183 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 01:02:23,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:02:41,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:02:43,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:02:44,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:02:47,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:02:52,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:02:52,514 INFO L93 Difference]: Finished difference Result 178532 states and 260995 transitions. [2022-07-23 01:02:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 01:02:52,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2022-07-23 01:02:52,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:02:53,332 INFO L225 Difference]: With dead ends: 178532 [2022-07-23 01:02:53,332 INFO L226 Difference]: Without dead ends: 105576 [2022-07-23 01:02:53,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-07-23 01:02:53,577 INFO L413 NwaCegarLoop]: 3946 mSDtfsCounter, 11023 mSDsluCounter, 2573 mSDsCounter, 0 mSdLazyCounter, 11494 mSolverCounterSat, 7307 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11708 SdHoareTripleChecker+Valid, 6519 SdHoareTripleChecker+Invalid, 18805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7307 IncrementalHoareTripleChecker+Valid, 11494 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-07-23 01:02:53,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11708 Valid, 6519 Invalid, 18805 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7307 Valid, 11494 Invalid, 4 Unknown, 0 Unchecked, 30.7s Time] [2022-07-23 01:02:53,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105576 states. [2022-07-23 01:02:56,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105576 to 95870. [2022-07-23 01:02:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95870 states, 65749 states have (on average 1.3317464904409193) internal successors, (87561), 67223 states have internal predecessors, (87561), 22346 states have call successors, (22346), 7154 states have call predecessors, (22346), 7774 states have return successors, (27627), 22846 states have call predecessors, (27627), 22331 states have call successors, (27627) [2022-07-23 01:02:57,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95870 states to 95870 states and 137534 transitions. [2022-07-23 01:02:57,608 INFO L78 Accepts]: Start accepts. Automaton has 95870 states and 137534 transitions. Word has length 119 [2022-07-23 01:02:57,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:02:57,609 INFO L495 AbstractCegarLoop]: Abstraction has 95870 states and 137534 transitions. [2022-07-23 01:02:57,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 01:02:57,609 INFO L276 IsEmpty]: Start isEmpty. Operand 95870 states and 137534 transitions. [2022-07-23 01:02:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-23 01:02:57,612 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:02:57,613 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:02:57,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 01:02:57,613 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:02:57,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:02:57,613 INFO L85 PathProgramCache]: Analyzing trace with hash -156120456, now seen corresponding path program 1 times [2022-07-23 01:02:57,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:02:57,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129863433] [2022-07-23 01:02:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:02:57,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:02:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:02:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 01:02:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:02:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:02:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 01:02:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:02:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:02:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:02:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 01:02:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 01:02:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 01:02:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 01:02:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-23 01:02:58,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:02:58,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129863433] [2022-07-23 01:02:58,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129863433] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:02:58,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438639381] [2022-07-23 01:02:58,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:02:58,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:02:58,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:02:58,213 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:02:58,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-23 01:02:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:02:59,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 5716 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 01:02:59,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:02:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 01:02:59,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:02:59,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438639381] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:02:59,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:02:59,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-07-23 01:02:59,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752479822] [2022-07-23 01:02:59,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:02:59,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 01:02:59,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:02:59,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 01:02:59,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:02:59,730 INFO L87 Difference]: Start difference. First operand 95870 states and 137534 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-23 01:03:04,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:03:04,542 INFO L93 Difference]: Finished difference Result 236948 states and 339851 transitions. [2022-07-23 01:03:04,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 01:03:04,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 118 [2022-07-23 01:03:04,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:03:05,384 INFO L225 Difference]: With dead ends: 236948 [2022-07-23 01:03:05,384 INFO L226 Difference]: Without dead ends: 141084 [2022-07-23 01:03:05,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:03:05,672 INFO L413 NwaCegarLoop]: 6106 mSDtfsCounter, 4791 mSDsluCounter, 4798 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4791 SdHoareTripleChecker+Valid, 10904 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:03:05,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4791 Valid, 10904 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:03:05,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141084 states. [2022-07-23 01:03:10,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141084 to 141035. [2022-07-23 01:03:10,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141035 states, 96771 states have (on average 1.3318349505533682) internal successors, (128883), 98932 states have internal predecessors, (128883), 32829 states have call successors, (32829), 10529 states have call predecessors, (32829), 11434 states have return successors, (40545), 33563 states have call predecessors, (40545), 32813 states have call successors, (40545) [2022-07-23 01:03:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141035 states to 141035 states and 202257 transitions. [2022-07-23 01:03:11,834 INFO L78 Accepts]: Start accepts. Automaton has 141035 states and 202257 transitions. Word has length 118 [2022-07-23 01:03:11,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:03:11,835 INFO L495 AbstractCegarLoop]: Abstraction has 141035 states and 202257 transitions. [2022-07-23 01:03:11,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-23 01:03:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 141035 states and 202257 transitions. [2022-07-23 01:03:11,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-23 01:03:11,839 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:03:11,839 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:03:11,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-23 01:03:12,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-23 01:03:12,047 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:03:12,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:03:12,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1927376758, now seen corresponding path program 1 times [2022-07-23 01:03:12,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:03:12,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313078181] [2022-07-23 01:03:12,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:03:12,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:03:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:03:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 01:03:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:03:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:03:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:03:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:03:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 01:03:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:03:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:03:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:03:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:03:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:03:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 01:03:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 01:03:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-23 01:03:12,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:03:12,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313078181] [2022-07-23 01:03:12,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313078181] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:03:12,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113425910] [2022-07-23 01:03:12,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:03:12,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:03:12,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:03:12,472 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:03:12,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-23 01:03:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:03:13,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 5942 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 01:03:13,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:03:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-23 01:03:13,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:03:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-23 01:03:13,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113425910] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:03:13,888 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 01:03:13,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-07-23 01:03:13,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831884477] [2022-07-23 01:03:13,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 01:03:13,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 01:03:13,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:03:13,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 01:03:13,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:03:13,890 INFO L87 Difference]: Start difference. First operand 141035 states and 202257 transitions. Second operand has 10 states, 10 states have (on average 14.3) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-07-23 01:03:18,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:03:24,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:03:30,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:03:40,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:03:42,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:03:45,421 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 [] [2022-07-23 01:03:55,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:03:55,768 INFO L93 Difference]: Finished difference Result 297306 states and 432532 transitions. [2022-07-23 01:03:55,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 01:03:55,768 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.3) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 122 [2022-07-23 01:03:55,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:03:56,697 INFO L225 Difference]: With dead ends: 297306 [2022-07-23 01:03:56,697 INFO L226 Difference]: Without dead ends: 156277 [2022-07-23 01:03:57,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:03:57,132 INFO L413 NwaCegarLoop]: 4125 mSDtfsCounter, 3275 mSDsluCounter, 5540 mSDsCounter, 0 mSdLazyCounter, 8832 mSolverCounterSat, 1691 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3788 SdHoareTripleChecker+Valid, 9665 SdHoareTripleChecker+Invalid, 10526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1691 IncrementalHoareTripleChecker+Valid, 8832 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:03:57,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3788 Valid, 9665 Invalid, 10526 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1691 Valid, 8832 Invalid, 3 Unknown, 0 Unchecked, 33.0s Time] [2022-07-23 01:03:57,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156277 states. [2022-07-23 01:04:05,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156277 to 141559. [2022-07-23 01:04:05,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141559 states, 97131 states have (on average 1.330934511124152) internal successors, (129275), 99292 states have internal predecessors, (129275), 32897 states have call successors, (32897), 10529 states have call predecessors, (32897), 11530 states have return successors, (40721), 33727 states have call predecessors, (40721), 32881 states have call successors, (40721) [2022-07-23 01:04:06,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141559 states to 141559 states and 202893 transitions. [2022-07-23 01:04:06,391 INFO L78 Accepts]: Start accepts. Automaton has 141559 states and 202893 transitions. Word has length 122 [2022-07-23 01:04:06,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:04:06,392 INFO L495 AbstractCegarLoop]: Abstraction has 141559 states and 202893 transitions. [2022-07-23 01:04:06,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.3) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-07-23 01:04:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand 141559 states and 202893 transitions. [2022-07-23 01:04:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-07-23 01:04:06,397 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:04:06,398 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:04:06,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-23 01:04:06,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-23 01:04:06,602 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:04:06,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:04:06,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1092744394, now seen corresponding path program 2 times [2022-07-23 01:04:06,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:04:06,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806040402] [2022-07-23 01:04:06,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:04:06,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:04:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 01:04:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 01:04:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:06,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 01:04:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:06,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-23 01:04:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 01:04:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:04:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:04:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 01:04:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:04:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 01:04:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:04:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:04:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:04:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:04:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 01:04:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 01:04:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 01:04:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:04:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-23 01:04:07,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:04:07,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806040402] [2022-07-23 01:04:07,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806040402] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:04:07,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:04:07,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:04:07,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558872056] [2022-07-23 01:04:07,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:04:07,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:04:07,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:04:07,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:04:07,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:04:07,469 INFO L87 Difference]: Start difference. First operand 141559 states and 202893 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 01:04:11,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:04:21,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:04:22,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:04:42,241 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 []