./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 ae007674 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-dev-ae00767 [2021-12-28 04:19:42,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:19:42,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:19:42,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:19:42,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:19:42,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:19:42,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:19:42,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:19:42,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:19:42,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:19:42,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:19:42,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:19:42,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:19:42,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:19:42,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:19:42,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:19:42,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:19:42,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:19:42,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:19:42,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:19:42,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:19:42,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:19:42,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:19:42,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:19:42,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:19:42,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:19:42,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:19:42,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:19:42,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:19:42,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:19:42,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:19:42,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:19:42,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:19:42,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:19:42,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:19:42,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:19:42,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:19:42,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:19:42,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:19:42,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:19:42,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:19:42,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:19:42,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:19:42,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:19:42,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:19:42,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:19:42,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:19:42,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:19:42,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:19:42,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:19:42,401 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:19:42,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:19:42,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:19:42,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:19:42,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:19:42,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:19:42,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:19:42,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:19:42,403 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:19:42,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:19:42,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:19:42,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:19:42,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:19:42,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:19:42,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:19:42,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:19:42,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:19:42,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:19:42,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:19:42,404 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:19:42,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:19:42,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:19:42,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 [2021-12-28 04:19:42,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:19:42,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:19:42,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:19:42,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:19:42,670 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:19:42,671 INFO L432 ainManager$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 [2021-12-28 04:19:42,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4324e41dc/1f54d789105342098aa539e4967a14bb/FLAG078ba017c [2021-12-28 04:19:43,413 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:19:43,414 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 [2021-12-28 04:19:43,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4324e41dc/1f54d789105342098aa539e4967a14bb/FLAG078ba017c [2021-12-28 04:19:43,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4324e41dc/1f54d789105342098aa539e4967a14bb [2021-12-28 04:19:43,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:19:43,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:19:43,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:19:43,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:19:43,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:19:43,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:19:43" (1/1) ... [2021-12-28 04:19:43,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df8940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:43, skipping insertion in model container [2021-12-28 04:19:43,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:19:43" (1/1) ... [2021-12-28 04:19:43,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:19:43,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:19:47,406 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] [2021-12-28 04:19:47,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:19:47,682 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:19:48,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2021-12-28 04:19:48,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:19:48,224 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:19:48,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48 WrapperNode [2021-12-28 04:19:48,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:19:48,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:19:48,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:19:48,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:19:48,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48" (1/1) ... [2021-12-28 04:19:48,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48" (1/1) ... [2021-12-28 04:19:48,678 INFO L137 Inliner]: procedures = 713, calls = 6159, calls flagged for inlining = 240, calls inlined = 191, statements flattened = 9050 [2021-12-28 04:19:48,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:19:48,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:19:48,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:19:48,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:19:48,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48" (1/1) ... [2021-12-28 04:19:48,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48" (1/1) ... [2021-12-28 04:19:48,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48" (1/1) ... [2021-12-28 04:19:48,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48" (1/1) ... [2021-12-28 04:19:48,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48" (1/1) ... [2021-12-28 04:19:48,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48" (1/1) ... [2021-12-28 04:19:48,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48" (1/1) ... [2021-12-28 04:19:48,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:19:48,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:19:48,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:19:48,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:19:48,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48" (1/1) ... [2021-12-28 04:19:48,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:19:48,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:19:48,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:19:49,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:19:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:19:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:19:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix_exact [2021-12-28 04:19:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix_exact [2021-12-28 04:19:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_signal_notify [2021-12-28 04:19:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_signal_notify [2021-12-28 04:19:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_send [2021-12-28 04:19:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_send [2021-12-28 04:19:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_exists [2021-12-28 04:19:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_exists [2021-12-28 04:19:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_code_active [2021-12-28 04:19:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_code_active [2021-12-28 04:19:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_subscriber_mutex [2021-12-28 04:19:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_subscriber_mutex [2021-12-28 04:19:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_put [2021-12-28 04:19:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_put [2021-12-28 04:19:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:19:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:19:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_open [2021-12-28 04:19:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_open [2021-12-28 04:19:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unregister_user_memory [2021-12-28 04:19:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unregister_user_memory [2021-12-28 04:19:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_add_notification [2021-12-28 04:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_add_notification [2021-12-28 04:19:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_unlocked_ioctl [2021-12-28 04:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_unlocked_ioctl [2021-12-28 04:19:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-28 04:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-28 04:19:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:19:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get_id [2021-12-28 04:19:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get_id [2021-12-28 04:19:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:19:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:19:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_has_entry [2021-12-28 04:19:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_has_entry [2021-12-28 04:19:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_destroy [2021-12-28 04:19:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_destroy [2021-12-28 04:19:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_send_datagram [2021-12-28 04:19:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_send_datagram [2021-12-28 04:19:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-28 04:19:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-28 04:19:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get [2021-12-28 04:19:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get [2021-12-28 04:19:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_entry [2021-12-28 04:19:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_entry [2021-12-28 04:19:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-28 04:19:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-28 04:19:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure qp_acquire_queue_mutex [2021-12-28 04:19:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_acquire_queue_mutex [2021-12-28 04:19:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_get_context_id [2021-12-28 04:19:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_get_context_id [2021-12-28 04:19:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_map_queues [2021-12-28 04:19:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_map_queues [2021-12-28 04:19:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_add [2021-12-28 04:19:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_add [2021-12-28 04:19:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-28 04:19:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-28 04:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:19:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:19:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock___1 [2021-12-28 04:19:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock___1 [2021-12-28 04:19:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2021-12-28 04:19:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2021-12-28 04:19:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_get_head [2021-12-28 04:19:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_get_head [2021-12-28 04:19:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure dbell_delayed_dispatch [2021-12-28 04:19:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dbell_delayed_dispatch [2021-12-28 04:19:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2021-12-28 04:19:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2021-12-28 04:19:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2021-12-28 04:19:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2021-12-28 04:19:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-28 04:19:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-28 04:19:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-28 04:19:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:19:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:19:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_qp_list [2021-12-28 04:19:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_qp_list [2021-12-28 04:19:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure dg_delayed_dispatch [2021-12-28 04:19:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_delayed_dispatch [2021-12-28 04:19:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:19:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-28 04:19:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-28 04:19:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-28 04:19:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-28 04:19:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:19:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:19:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:19:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:19:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_host [2021-12-28 04:19:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_host [2021-12-28 04:19:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:19:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:19:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:19:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure qp_reset_saved_headers [2021-12-28 04:19:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_reset_saved_headers [2021-12-28 04:19:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_handle [2021-12-28 04:19:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_handle [2021-12-28 04:19:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_add_entry [2021-12-28 04:19:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_add_entry [2021-12-28 04:19:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid [2021-12-28 04:19:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid [2021-12-28 04:19:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_dispatch [2021-12-28 04:19:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_dispatch [2021-12-28 04:19:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:19:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-28 04:19:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-28 04:19:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2021-12-28 04:19:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2021-12-28 04:19:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:19:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2021-12-28 04:19:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2021-12-28 04:19:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_find [2021-12-28 04:19:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_find [2021-12-28 04:19:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:19:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:19:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2021-12-28 04:19:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2021-12-28 04:19:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-28 04:19:49,046 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-28 04:19:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_clear_notify_call [2021-12-28 04:19:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_clear_notify_call [2021-12-28 04:19:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-28 04:19:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-28 04:19:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer [2021-12-28 04:19:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer [2021-12-28 04:19:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 04:19:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 04:19:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 04:19:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 04:19:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_unset_notify [2021-12-28 04:19:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_unset_notify [2021-12-28 04:19:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2021-12-28 04:19:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2021-12-28 04:19:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_exit [2021-12-28 04:19:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_exit [2021-12-28 04:19:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_destroy [2021-12-28 04:19:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_destroy [2021-12-28 04:19:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2021-12-28 04:19:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2021-12-28 04:19:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-28 04:19:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-28 04:19:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-28 04:19:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-28 04:19:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure qp_lock [2021-12-28 04:19:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_lock [2021-12-28 04:19:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-28 04:19:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-28 04:19:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_by_handle [2021-12-28 04:19:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_by_handle [2021-12-28 04:19:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:19:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:19:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer_local [2021-12-28 04:19:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer_local [2021-12-28 04:19:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure vunmap [2021-12-28 04:19:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vunmap [2021-12-28 04:19:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_get_user_memory [2021-12-28 04:19:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_get_user_memory [2021-12-28 04:19:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_fire_notification [2021-12-28 04:19:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_fire_notification [2021-12-28 04:19:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:19:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure qp_unlock [2021-12-28 04:19:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_unlock [2021-12-28 04:19:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_close [2021-12-28 04:19:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_close [2021-12-28 04:19:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:19:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_probe_device [2021-12-28 04:19:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_probe_device [2021-12-28 04:19:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___1 [2021-12-28 04:19:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___1 [2021-12-28 04:19:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___0 [2021-12-28 04:19:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___0 [2021-12-28 04:19:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_alloc_queue [2021-12-28 04:19:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_alloc_queue [2021-12-28 04:19:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:19:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:19:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_free_ctx [2021-12-28 04:19:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_free_ctx [2021-12-28 04:19:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:19:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:19:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_poll [2021-12-28 04:19:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_poll [2021-12-28 04:19:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-28 04:19:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-28 04:19:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:19:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:19:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_pages [2021-12-28 04:19:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_pages [2021-12-28 04:19:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure qp_cleanup_queue_mutex [2021-12-28 04:19:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_cleanup_queue_mutex [2021-12-28 04:19:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_size [2021-12-28 04:19:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_size [2021-12-28 04:19:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_hypercall [2021-12-28 04:19:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_hypercall [2021-12-28 04:19:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 04:19:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 04:19:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:19:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:19:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_remove_entry [2021-12-28 04:19:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_remove_entry [2021-12-28 04:19:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:19:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:19:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_q_header_init [2021-12-28 04:19:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_q_header_init [2021-12-28 04:19:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add_rcu [2021-12-28 04:19:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add_rcu [2021-12-28 04:19:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_register_user_memory [2021-12-28 04:19:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_register_user_memory [2021-12-28 04:19:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 04:19:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 04:19:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_guest_work [2021-12-28 04:19:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_guest_work [2021-12-28 04:19:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure drv_cp_harray_to_user [2021-12-28 04:19:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure drv_cp_harray_to_user [2021-12-28 04:19:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:19:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:19:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:19:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:19:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_tail [2021-12-28 04:19:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_tail [2021-12-28 04:19:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_subscriber_mutex [2021-12-28 04:19:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_subscriber_mutex [2021-12-28 04:19:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-28 04:19:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-28 04:19:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_supports_host_qp [2021-12-28 04:19:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_supports_host_qp [2021-12-28 04:19:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:19:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:19:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:19:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:19:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_detach [2021-12-28 04:19:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_detach [2021-12-28 04:19:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_enqueue_datagram [2021-12-28 04:19:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_enqueue_datagram [2021-12-28 04:19:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 04:19:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 04:19:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unmap_queues [2021-12-28 04:19:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unmap_queues [2021-12-28 04:19:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2021-12-28 04:19:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2021-12-28 04:19:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_qp_list [2021-12-28 04:19:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_qp_list [2021-12-28 04:19:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:19:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:19:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:19:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:19:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 04:19:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 04:19:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:19:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:19:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-28 04:19:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-28 04:19:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:19:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:19:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-28 04:19:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-28 04:19:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2021-12-28 04:19:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2021-12-28 04:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_notify_dbell [2021-12-28 04:19:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_notify_dbell [2021-12-28 04:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_append_entry [2021-12-28 04:19:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_append_entry [2021-12-28 04:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-28 04:19:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-28 04:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-28 04:19:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-28 04:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_handle_to_entry [2021-12-28 04:19:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_handle_to_entry [2021-12-28 04:19:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qpair_detach [2021-12-28 04:19:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qpair_detach [2021-12-28 04:19:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-28 04:19:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-28 04:19:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:19:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:19:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:19:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_hash [2021-12-28 04:19:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_hash [2021-12-28 04:19:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_create [2021-12-28 04:19:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_create [2021-12-28 04:19:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure event_find [2021-12-28 04:19:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure event_find [2021-12-28 04:19:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_alloc [2021-12-28 04:19:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_alloc [2021-12-28 04:19:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:19:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_host_work [2021-12-28 04:19:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_host_work [2021-12-28 04:19:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-28 04:19:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-28 04:19:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure hash_32 [2021-12-28 04:19:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_32 [2021-12-28 04:19:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2021-12-28 04:19:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2021-12-28 04:19:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock___1 [2021-12-28 04:19:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock___1 [2021-12-28 04:19:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_endpoint_destroy [2021-12-28 04:19:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_endpoint_destroy [2021-12-28 04:19:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:19:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_guest [2021-12-28 04:19:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_guest [2021-12-28 04:19:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:19:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:19:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:19:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:19:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:19:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:19:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_dispatch [2021-12-28 04:19:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_dispatch [2021-12-28 04:19:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_queue_mutex [2021-12-28 04:19:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_queue_mutex [2021-12-28 04:19:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:19:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:19:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_route [2021-12-28 04:19:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_route [2021-12-28 04:19:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2021-12-28 04:19:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2021-12-28 04:19:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure qp_free_queue [2021-12-28 04:19:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_free_queue [2021-12-28 04:19:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_free_queue [2021-12-28 04:19:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_free_queue [2021-12-28 04:19:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-28 04:19:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-28 04:19:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_set [2021-12-28 04:19:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_set [2021-12-28 04:19:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_get_priv_flags [2021-12-28 04:19:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_get_priv_flags [2021-12-28 04:19:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_exists [2021-12-28 04:19:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_exists [2021-12-28 04:19:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2021-12-28 04:19:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2021-12-28 04:19:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_remove [2021-12-28 04:19:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_remove [2021-12-28 04:19:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:19:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:19:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure qp_init_queue_mutex [2021-12-28 04:19:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_init_queue_mutex [2021-12-28 04:19:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:19:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_context_get_priv_flags [2021-12-28 04:19:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_context_get_priv_flags [2021-12-28 04:19:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-12-28 04:19:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-12-28 04:19:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-28 04:19:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-28 04:19:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:19:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:19:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2021-12-28 04:19:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2021-12-28 04:19:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work___0 [2021-12-28 04:19:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work___0 [2021-12-28 04:19:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-28 04:19:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-28 04:19:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:19:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:19:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_guest_endpoints_exit [2021-12-28 04:19:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_guest_endpoints_exit [2021-12-28 04:19:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_HLIST_NODE [2021-12-28 04:19:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_HLIST_NODE [2021-12-28 04:19:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 04:19:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 04:19:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 04:19:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 04:19:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_equal [2021-12-28 04:19:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_equal [2021-12-28 04:19:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_destroy [2021-12-28 04:19:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_destroy [2021-12-28 04:19:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_handle_to_entry [2021-12-28 04:19:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_handle_to_entry [2021-12-28 04:19:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-28 04:19:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-28 04:19:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch [2021-12-28 04:19:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch [2021-12-28 04:19:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure handle_arr_calc_size [2021-12-28 04:19:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_arr_calc_size [2021-12-28 04:19:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-12-28 04:19:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-12-28 04:19:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2021-12-28 04:19:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2021-12-28 04:19:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_alloc [2021-12-28 04:19:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_alloc [2021-12-28 04:19:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-28 04:19:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-28 04:19:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2021-12-28 04:19:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2021-12-28 04:19:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:19:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:19:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:19:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:19:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2021-12-28 04:19:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2021-12-28 04:19:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_get [2021-12-28 04:19:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_get [2021-12-28 04:19:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2021-12-28 04:19:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2021-12-28 04:19:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:19:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:19:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-28 04:19:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-28 04:19:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_entry [2021-12-28 04:19:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_entry [2021-12-28 04:19:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_unsubscribe [2021-12-28 04:19:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_unsubscribe [2021-12-28 04:19:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_deny_interaction [2021-12-28 04:19:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_deny_interaction [2021-12-28 04:19:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_remove_device [2021-12-28 04:19:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_remove_device [2021-12-28 04:19:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_create [2021-12-28 04:19:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_create [2021-12-28 04:19:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_code_active [2021-12-28 04:19:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_code_active [2021-12-28 04:19:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:19:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:19:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:19:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:19:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-28 04:19:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-28 04:19:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 04:19:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 04:19:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_lookup [2021-12-28 04:19:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_lookup [2021-12-28 04:19:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-28 04:19:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-28 04:19:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:19:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_create [2021-12-28 04:19:49,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_create [2021-12-28 04:19:49,084 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_put [2021-12-28 04:19:49,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_put [2021-12-28 04:19:49,988 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:19:49,993 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:19:50,252 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:20:02,596 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:20:02,621 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:20:02,621 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:20:02,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:20:02 BoogieIcfgContainer [2021-12-28 04:20:02,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:20:02,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:20:02,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:20:02,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:20:02,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:19:43" (1/3) ... [2021-12-28 04:20:02,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750a95d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:20:02, skipping insertion in model container [2021-12-28 04:20:02,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:19:48" (2/3) ... [2021-12-28 04:20:02,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750a95d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:20:02, skipping insertion in model container [2021-12-28 04:20:02,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:20:02" (3/3) ... [2021-12-28 04:20:02,632 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 [2021-12-28 04:20:02,636 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:20:02,637 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:20:02,686 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:20:02,693 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:20:02,693 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:20:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 3381 states, 2333 states have (on average 1.3686240891555936) internal successors, (3193), 2400 states have internal predecessors, (3193), 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) [2021-12-28 04:20:02,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-28 04:20:02,753 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:20:02,753 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:20:02,754 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:20:02,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:20:02,758 INFO L85 PathProgramCache]: Analyzing trace with hash -221624845, now seen corresponding path program 1 times [2021-12-28 04:20:02,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:20:02,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789571640] [2021-12-28 04:20:02,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:02,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:20:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 04:20:03,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:20:03,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789571640] [2021-12-28 04:20:03,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789571640] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:20:03,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:20:03,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 04:20:03,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330852053] [2021-12-28 04:20:03,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:20:03,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:20:03,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:20:03,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:20:03,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 04:20:03,420 INFO L87 Difference]: Start difference. First operand has 3381 states, 2333 states have (on average 1.3686240891555936) internal successors, (3193), 2400 states have internal predecessors, (3193), 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) [2021-12-28 04:20:03,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:20:03,617 INFO L93 Difference]: Finished difference Result 6757 states and 9929 transitions. [2021-12-28 04:20:03,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:20:03,619 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 [2021-12-28 04:20:03,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:20:03,645 INFO L225 Difference]: With dead ends: 6757 [2021-12-28 04:20:03,645 INFO L226 Difference]: Without dead ends: 3373 [2021-12-28 04:20:03,664 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:20:03,667 INFO L933 BasicCegarLoop]: 4856 mSDtfsCounter, 1 mSDsluCounter, 4853 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9709 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:20:03,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 9709 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:20:03,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3373 states. [2021-12-28 04:20:03,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3373 to 3371. [2021-12-28 04:20:03,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3371 states, 2329 states have (on average 1.3662516101331044) internal successors, (3182), 2390 states have internal predecessors, (3182), 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) [2021-12-28 04:20:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4845 transitions. [2021-12-28 04:20:03,817 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4845 transitions. Word has length 27 [2021-12-28 04:20:03,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:20:03,818 INFO L470 AbstractCegarLoop]: Abstraction has 3371 states and 4845 transitions. [2021-12-28 04:20:03,818 INFO L471 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) [2021-12-28 04:20:03,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4845 transitions. [2021-12-28 04:20:03,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-28 04:20:03,820 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:20:03,820 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:20:03,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:20:03,820 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:20:03,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:20:03,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1647899974, now seen corresponding path program 1 times [2021-12-28 04:20:03,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:20:03,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253950187] [2021-12-28 04:20:03,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:03,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:20:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:20:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:04,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 04:20:04,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:20:04,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253950187] [2021-12-28 04:20:04,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253950187] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:20:04,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:20:04,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:20:04,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998023650] [2021-12-28 04:20:04,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:20:04,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:20:04,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:20:04,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:20:04,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:20:04,038 INFO L87 Difference]: Start difference. First operand 3371 states and 4845 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) [2021-12-28 04:20:09,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:20:11,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:20:15,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:20:15,576 INFO L93 Difference]: Finished difference Result 10256 states and 14831 transitions. [2021-12-28 04:20:15,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:20:15,576 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 [2021-12-28 04:20:15,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:20:15,686 INFO L225 Difference]: With dead ends: 10256 [2021-12-28 04:20:15,687 INFO L226 Difference]: Without dead ends: 6891 [2021-12-28 04:20:15,702 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:20:15,703 INFO L933 BasicCegarLoop]: 7944 mSDtfsCounter, 5335 mSDsluCounter, 7147 mSDsCounter, 0 mSdLazyCounter, 3353 mSolverCounterSat, 1673 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5922 SdHoareTripleChecker+Valid, 15091 SdHoareTripleChecker+Invalid, 5028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1673 IncrementalHoareTripleChecker+Valid, 3353 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:20:15,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5922 Valid, 15091 Invalid, 5028 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1673 Valid, 3353 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2021-12-28 04:20:15,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6891 states. [2021-12-28 04:20:15,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6891 to 6637. [2021-12-28 04:20:15,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6637 states, 4589 states have (on average 1.3660928306820659) internal successors, (6269), 4696 states have internal predecessors, (6269), 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) [2021-12-28 04:20:15,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6637 states to 6637 states and 9540 transitions. [2021-12-28 04:20:15,948 INFO L78 Accepts]: Start accepts. Automaton has 6637 states and 9540 transitions. Word has length 29 [2021-12-28 04:20:15,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:20:15,949 INFO L470 AbstractCegarLoop]: Abstraction has 6637 states and 9540 transitions. [2021-12-28 04:20:15,949 INFO L471 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) [2021-12-28 04:20:15,950 INFO L276 IsEmpty]: Start isEmpty. Operand 6637 states and 9540 transitions. [2021-12-28 04:20:15,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-28 04:20:15,952 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:20:15,952 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:20:15,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:20:15,952 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:20:15,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:20:15,953 INFO L85 PathProgramCache]: Analyzing trace with hash -8374377, now seen corresponding path program 1 times [2021-12-28 04:20:15,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:20:15,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672010604] [2021-12-28 04:20:15,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:15,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:20:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:20:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 04:20:16,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:20:16,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672010604] [2021-12-28 04:20:16,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672010604] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 04:20:16,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429289883] [2021-12-28 04:20:16,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:16,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:16,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:20:16,237 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) [2021-12-28 04:20:16,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 04:20:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:17,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 4888 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 04:20:17,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:20:17,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 04:20:17,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:20:17,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429289883] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:20:17,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 04:20:17,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-28 04:20:17,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089300184] [2021-12-28 04:20:17,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:20:17,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:20:17,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:20:17,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:20:17,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:20:17,497 INFO L87 Difference]: Start difference. First operand 6637 states and 9540 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) [2021-12-28 04:20:17,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:20:17,618 INFO L93 Difference]: Finished difference Result 6639 states and 9541 transitions. [2021-12-28 04:20:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:20:17,618 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 [2021-12-28 04:20:17,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:20:17,652 INFO L225 Difference]: With dead ends: 6639 [2021-12-28 04:20:17,653 INFO L226 Difference]: Without dead ends: 6636 [2021-12-28 04:20:17,659 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:20:17,660 INFO L933 BasicCegarLoop]: 4841 mSDtfsCounter, 4812 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4812 SdHoareTripleChecker+Valid, 4841 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 [2021-12-28 04:20:17,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4812 Valid, 4841 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:20:17,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6636 states. [2021-12-28 04:20:17,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6636 to 6636. [2021-12-28 04:20:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6636 states, 4589 states have (on average 1.3658749182828502) internal successors, (6268), 4695 states have internal predecessors, (6268), 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) [2021-12-28 04:20:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6636 states to 6636 states and 9538 transitions. [2021-12-28 04:20:17,938 INFO L78 Accepts]: Start accepts. Automaton has 6636 states and 9538 transitions. Word has length 33 [2021-12-28 04:20:17,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:20:17,938 INFO L470 AbstractCegarLoop]: Abstraction has 6636 states and 9538 transitions. [2021-12-28 04:20:17,939 INFO L471 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) [2021-12-28 04:20:17,939 INFO L276 IsEmpty]: Start isEmpty. Operand 6636 states and 9538 transitions. [2021-12-28 04:20:17,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-28 04:20:17,941 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:20:17,941 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:20:17,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-28 04:20:18,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:18,168 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:20:18,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:20:18,168 INFO L85 PathProgramCache]: Analyzing trace with hash -260968426, now seen corresponding path program 1 times [2021-12-28 04:20:18,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:20:18,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329082388] [2021-12-28 04:20:18,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:18,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:20:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:18,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:20:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 04:20:18,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:20:18,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329082388] [2021-12-28 04:20:18,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329082388] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 04:20:18,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051445750] [2021-12-28 04:20:18,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:18,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:18,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:20:18,446 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) [2021-12-28 04:20:18,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-28 04:20:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:19,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 4890 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 04:20:19,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:20:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 04:20:19,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:20:19,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051445750] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:20:19,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 04:20:19,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-28 04:20:19,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310439278] [2021-12-28 04:20:19,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:20:19,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:20:19,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:20:19,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:20:19,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:20:19,604 INFO L87 Difference]: Start difference. First operand 6636 states and 9538 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) [2021-12-28 04:20:19,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:20:19,704 INFO L93 Difference]: Finished difference Result 6638 states and 9539 transitions. [2021-12-28 04:20:19,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:20:19,704 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 [2021-12-28 04:20:19,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:20:19,739 INFO L225 Difference]: With dead ends: 6638 [2021-12-28 04:20:19,740 INFO L226 Difference]: Without dead ends: 6635 [2021-12-28 04:20:19,746 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:20:19,748 INFO L933 BasicCegarLoop]: 4839 mSDtfsCounter, 4809 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4809 SdHoareTripleChecker+Valid, 4839 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 [2021-12-28 04:20:19,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4809 Valid, 4839 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:20:19,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6635 states. [2021-12-28 04:20:19,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6635 to 6635. [2021-12-28 04:20:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6635 states, 4589 states have (on average 1.3656570058836348) internal successors, (6267), 4694 states have internal predecessors, (6267), 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) [2021-12-28 04:20:19,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6635 states to 6635 states and 9536 transitions. [2021-12-28 04:20:19,965 INFO L78 Accepts]: Start accepts. Automaton has 6635 states and 9536 transitions. Word has length 34 [2021-12-28 04:20:19,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:20:19,966 INFO L470 AbstractCegarLoop]: Abstraction has 6635 states and 9536 transitions. [2021-12-28 04:20:19,967 INFO L471 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) [2021-12-28 04:20:19,967 INFO L276 IsEmpty]: Start isEmpty. Operand 6635 states and 9536 transitions. [2021-12-28 04:20:19,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-28 04:20:19,969 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:20:19,970 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:20:19,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-28 04:20:20,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-28 04:20:20,183 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:20:20,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:20:20,184 INFO L85 PathProgramCache]: Analyzing trace with hash 498555514, now seen corresponding path program 1 times [2021-12-28 04:20:20,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:20:20,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709940546] [2021-12-28 04:20:20,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:20,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:20:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:20:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 04:20:20,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:20:20,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709940546] [2021-12-28 04:20:20,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709940546] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 04:20:20,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200816200] [2021-12-28 04:20:20,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:20,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:20,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:20:20,427 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) [2021-12-28 04:20:20,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-28 04:20:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:21,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 4892 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 04:20:21,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:20:21,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 04:20:21,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:20:21,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200816200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:20:21,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 04:20:21,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-28 04:20:21,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210135895] [2021-12-28 04:20:21,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:20:21,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:20:21,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:20:21,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:20:21,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:20:21,664 INFO L87 Difference]: Start difference. First operand 6635 states and 9536 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) [2021-12-28 04:20:21,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:20:21,828 INFO L93 Difference]: Finished difference Result 10444 states and 14724 transitions. [2021-12-28 04:20:21,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:20:21,829 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 [2021-12-28 04:20:21,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:20:21,894 INFO L225 Difference]: With dead ends: 10444 [2021-12-28 04:20:21,894 INFO L226 Difference]: Without dead ends: 10440 [2021-12-28 04:20:21,902 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:20:21,904 INFO L933 BasicCegarLoop]: 5316 mSDtfsCounter, 4728 mSDsluCounter, 2719 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4728 SdHoareTripleChecker+Valid, 8035 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 [2021-12-28 04:20:21,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4728 Valid, 8035 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:20:21,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10440 states. [2021-12-28 04:20:22,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10440 to 10432. [2021-12-28 04:20:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10432 states, 7162 states have (on average 1.349064507120916) internal successors, (9662), 7337 states have internal predecessors, (9662), 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) [2021-12-28 04:20:22,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10432 states to 10432 states and 14711 transitions. [2021-12-28 04:20:22,218 INFO L78 Accepts]: Start accepts. Automaton has 10432 states and 14711 transitions. Word has length 35 [2021-12-28 04:20:22,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:20:22,220 INFO L470 AbstractCegarLoop]: Abstraction has 10432 states and 14711 transitions. [2021-12-28 04:20:22,221 INFO L471 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) [2021-12-28 04:20:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand 10432 states and 14711 transitions. [2021-12-28 04:20:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-28 04:20:22,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:20:22,222 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:20:22,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-28 04:20:22,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:22,435 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:20:22,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:20:22,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1726001255, now seen corresponding path program 1 times [2021-12-28 04:20:22,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:20:22,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994756616] [2021-12-28 04:20:22,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:22,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:20:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:20:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 04:20:22,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:20:22,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994756616] [2021-12-28 04:20:22,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994756616] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 04:20:22,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420801586] [2021-12-28 04:20:22,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:22,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:22,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:20:22,632 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) [2021-12-28 04:20:22,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-28 04:20:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:23,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 4894 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 04:20:23,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:20:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 04:20:23,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:20:23,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420801586] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:20:23,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 04:20:23,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-28 04:20:23,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855147369] [2021-12-28 04:20:23,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:20:23,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:20:23,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:20:23,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:20:23,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:20:23,780 INFO L87 Difference]: Start difference. First operand 10432 states and 14711 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) [2021-12-28 04:20:23,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:20:23,907 INFO L93 Difference]: Finished difference Result 10434 states and 14712 transitions. [2021-12-28 04:20:23,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:20:23,908 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 [2021-12-28 04:20:23,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:20:23,945 INFO L225 Difference]: With dead ends: 10434 [2021-12-28 04:20:23,946 INFO L226 Difference]: Without dead ends: 10431 [2021-12-28 04:20:23,953 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:20:23,954 INFO L933 BasicCegarLoop]: 4833 mSDtfsCounter, 4801 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4801 SdHoareTripleChecker+Valid, 4833 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 [2021-12-28 04:20:23,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4801 Valid, 4833 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:20:23,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10431 states. [2021-12-28 04:20:24,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10431 to 10431. [2021-12-28 04:20:24,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10431 states, 7162 states have (on average 1.3489248813180676) internal successors, (9661), 7336 states have internal predecessors, (9661), 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) [2021-12-28 04:20:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10431 states to 10431 states and 14709 transitions. [2021-12-28 04:20:24,233 INFO L78 Accepts]: Start accepts. Automaton has 10431 states and 14709 transitions. Word has length 36 [2021-12-28 04:20:24,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:20:24,233 INFO L470 AbstractCegarLoop]: Abstraction has 10431 states and 14709 transitions. [2021-12-28 04:20:24,233 INFO L471 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) [2021-12-28 04:20:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 10431 states and 14709 transitions. [2021-12-28 04:20:24,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-28 04:20:24,234 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:20:24,234 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:20:24,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-28 04:20:24,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:24,451 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:20:24,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:20:24,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1967779491, now seen corresponding path program 1 times [2021-12-28 04:20:24,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:20:24,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886596277] [2021-12-28 04:20:24,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:24,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:20:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:20:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 04:20:24,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:20:24,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886596277] [2021-12-28 04:20:24,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886596277] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 04:20:24,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313086160] [2021-12-28 04:20:24,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:24,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:24,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:20:24,631 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) [2021-12-28 04:20:24,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-28 04:20:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:25,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 4896 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 04:20:25,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:20:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 04:20:25,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:20:25,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313086160] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:20:25,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 04:20:25,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-28 04:20:25,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154179907] [2021-12-28 04:20:25,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:20:25,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:20:25,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:20:25,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:20:25,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:20:25,849 INFO L87 Difference]: Start difference. First operand 10431 states and 14709 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) [2021-12-28 04:20:26,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:20:26,181 INFO L93 Difference]: Finished difference Result 27282 states and 38819 transitions. [2021-12-28 04:20:26,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:20:26,182 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 [2021-12-28 04:20:26,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:20:26,258 INFO L225 Difference]: With dead ends: 27282 [2021-12-28 04:20:26,259 INFO L226 Difference]: Without dead ends: 16857 [2021-12-28 04:20:26,304 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:20:26,305 INFO L933 BasicCegarLoop]: 5600 mSDtfsCounter, 4094 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4094 SdHoareTripleChecker+Valid, 8615 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 [2021-12-28 04:20:26,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4094 Valid, 8615 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:20:26,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16857 states. [2021-12-28 04:20:26,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16857 to 16814. [2021-12-28 04:20:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16814 states, 11541 states have (on average 1.3417381509401265) internal successors, (15485), 11825 states have internal predecessors, (15485), 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) [2021-12-28 04:20:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16814 states to 16814 states and 23603 transitions. [2021-12-28 04:20:26,921 INFO L78 Accepts]: Start accepts. Automaton has 16814 states and 23603 transitions. Word has length 37 [2021-12-28 04:20:26,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:20:26,921 INFO L470 AbstractCegarLoop]: Abstraction has 16814 states and 23603 transitions. [2021-12-28 04:20:26,921 INFO L471 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) [2021-12-28 04:20:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 16814 states and 23603 transitions. [2021-12-28 04:20:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-28 04:20:26,923 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:20:26,923 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:20:26,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-28 04:20:27,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:27,150 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:20:27,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:20:27,151 INFO L85 PathProgramCache]: Analyzing trace with hash -872965348, now seen corresponding path program 1 times [2021-12-28 04:20:27,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:20:27,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665173244] [2021-12-28 04:20:27,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:27,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:20:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:20:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 04:20:27,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:20:27,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665173244] [2021-12-28 04:20:27,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665173244] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 04:20:27,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394043391] [2021-12-28 04:20:27,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:27,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:27,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:20:27,360 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) [2021-12-28 04:20:27,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-28 04:20:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:28,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 4898 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 04:20:28,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:20:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 04:20:28,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:20:28,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394043391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:20:28,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 04:20:28,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-28 04:20:28,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512326500] [2021-12-28 04:20:28,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:20:28,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:20:28,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:20:28,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:20:28,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:20:28,430 INFO L87 Difference]: Start difference. First operand 16814 states and 23603 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) [2021-12-28 04:20:29,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:20:29,141 INFO L93 Difference]: Finished difference Result 50386 states and 72507 transitions. [2021-12-28 04:20:29,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:20:29,141 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 [2021-12-28 04:20:29,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:20:29,300 INFO L225 Difference]: With dead ends: 50386 [2021-12-28 04:20:29,300 INFO L226 Difference]: Without dead ends: 33578 [2021-12-28 04:20:29,367 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:20:29,367 INFO L933 BasicCegarLoop]: 5932 mSDtfsCounter, 4869 mSDsluCounter, 4896 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4869 SdHoareTripleChecker+Valid, 10828 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 [2021-12-28 04:20:29,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4869 Valid, 10828 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:20:29,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33578 states. [2021-12-28 04:20:30,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33578 to 33539. [2021-12-28 04:20:30,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33539 states, 23027 states have (on average 1.3420766925782777) internal successors, (30904), 23588 states have internal predecessors, (30904), 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) [2021-12-28 04:20:30,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33539 states to 33539 states and 47991 transitions. [2021-12-28 04:20:30,479 INFO L78 Accepts]: Start accepts. Automaton has 33539 states and 47991 transitions. Word has length 38 [2021-12-28 04:20:30,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:20:30,480 INFO L470 AbstractCegarLoop]: Abstraction has 33539 states and 47991 transitions. [2021-12-28 04:20:30,480 INFO L471 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) [2021-12-28 04:20:30,480 INFO L276 IsEmpty]: Start isEmpty. Operand 33539 states and 47991 transitions. [2021-12-28 04:20:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-28 04:20:30,481 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:20:30,481 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:20:30,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-28 04:20:30,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:30,706 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:20:30,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:20:30,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1293460416, now seen corresponding path program 1 times [2021-12-28 04:20:30,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:20:30,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897441830] [2021-12-28 04:20:30,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:30,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:20:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:20:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:30,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 04:20:30,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:20:30,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897441830] [2021-12-28 04:20:30,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897441830] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 04:20:30,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842952929] [2021-12-28 04:20:30,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:30,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:30,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:20:30,868 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) [2021-12-28 04:20:30,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-28 04:20:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:32,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 4900 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 04:20:32,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:20:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 04:20:32,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 04:20:32,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842952929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:20:32,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 04:20:32,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-28 04:20:32,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192747222] [2021-12-28 04:20:32,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:20:32,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 04:20:32,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:20:32,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 04:20:32,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:20:32,178 INFO L87 Difference]: Start difference. First operand 33539 states and 47991 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) [2021-12-28 04:20:32,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:20:32,764 INFO L93 Difference]: Finished difference Result 33667 states and 48081 transitions. [2021-12-28 04:20:32,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 04:20:32,765 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 [2021-12-28 04:20:32,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:20:32,917 INFO L225 Difference]: With dead ends: 33667 [2021-12-28 04:20:32,918 INFO L226 Difference]: Without dead ends: 33635 [2021-12-28 04:20:32,942 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:20:32,945 INFO L933 BasicCegarLoop]: 4827 mSDtfsCounter, 4742 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4742 SdHoareTripleChecker+Valid, 4881 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 [2021-12-28 04:20:32,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4742 Valid, 4881 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 04:20:32,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33635 states. [2021-12-28 04:20:33,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33635 to 33633. [2021-12-28 04:20:34,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33633 states, 23093 states have (on average 1.3401463646992595) internal successors, (30948), 23653 states have internal predecessors, (30948), 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) [2021-12-28 04:20:34,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33633 states to 33633 states and 48022 transitions. [2021-12-28 04:20:34,153 INFO L78 Accepts]: Start accepts. Automaton has 33633 states and 48022 transitions. Word has length 39 [2021-12-28 04:20:34,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:20:34,153 INFO L470 AbstractCegarLoop]: Abstraction has 33633 states and 48022 transitions. [2021-12-28 04:20:34,153 INFO L471 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) [2021-12-28 04:20:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 33633 states and 48022 transitions. [2021-12-28 04:20:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-28 04:20:34,156 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:20:34,156 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:20:34,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-28 04:20:34,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:20:34,380 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:20:34,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:20:34,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1815788574, now seen corresponding path program 1 times [2021-12-28 04:20:34,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:20:34,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732825758] [2021-12-28 04:20:34,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:20:34,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:20:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:34,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:20:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:20:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:20:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:34,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:20:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:34,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-28 04:20:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-28 04:20:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 04:20:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 04:20:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:20:34,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 04:20:34,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:20:34,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732825758] [2021-12-28 04:20:34,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732825758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:20:34,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:20:34,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:20:34,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832548248] [2021-12-28 04:20:34,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:20:34,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:20:34,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:20:34,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:20:34,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:20:34,622 INFO L87 Difference]: Start difference. First operand 33633 states and 48022 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) [2021-12-28 04:20:39,438 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 []