java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 01:45:46,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 01:45:46,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 01:45:46,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 01:45:46,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 01:45:46,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 01:45:46,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 01:45:46,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 01:45:46,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 01:45:46,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 01:45:46,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 01:45:46,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 01:45:46,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 01:45:46,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 01:45:46,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 01:45:46,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 01:45:46,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 01:45:46,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 01:45:46,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 01:45:46,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 01:45:46,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 01:45:46,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 01:45:46,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 01:45:46,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 01:45:46,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 01:45:46,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 01:45:46,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 01:45:46,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 01:45:46,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 01:45:46,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 01:45:46,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 01:45:46,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 01:45:46,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 01:45:46,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 01:45:46,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 01:45:46,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 01:45:46,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 01:45:46,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 01:45:46,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 01:45:46,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 01:45:46,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 01:45:46,513 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 01:45:46,549 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 01:45:46,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 01:45:46,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 01:45:46,550 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 01:45:46,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 01:45:46,551 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 01:45:46,552 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 01:45:46,552 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 01:45:46,552 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 01:45:46,552 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 01:45:46,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 01:45:46,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 01:45:46,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 01:45:46,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 01:45:46,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 01:45:46,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 01:45:46,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 01:45:46,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 01:45:46,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 01:45:46,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 01:45:46,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 01:45:46,555 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 01:45:46,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 01:45:46,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:45:46,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 01:45:46,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 01:45:46,556 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 01:45:46,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 01:45:46,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 01:45:46,557 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 01:45:46,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 01:45:46,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 01:45:46,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 01:45:46,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 01:45:46,609 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 01:45:46,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-03 01:45:46,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3770b1409/fe8bdf9ba5db46c68588816851636de4/FLAG3d02e1bce [2019-10-03 01:45:47,620 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 01:45:47,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-03 01:45:47,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3770b1409/fe8bdf9ba5db46c68588816851636de4/FLAG3d02e1bce [2019-10-03 01:45:48,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3770b1409/fe8bdf9ba5db46c68588816851636de4 [2019-10-03 01:45:48,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 01:45:48,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 01:45:48,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 01:45:48,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 01:45:48,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 01:45:48,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:45:48" (1/1) ... [2019-10-03 01:45:48,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66aab1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:45:48, skipping insertion in model container [2019-10-03 01:45:48,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:45:48" (1/1) ... [2019-10-03 01:45:48,119 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 01:45:48,334 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 01:45:50,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:45:50,769 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 01:45:51,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:45:51,765 INFO L192 MainTranslator]: Completed translation [2019-10-03 01:45:51,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:45:51 WrapperNode [2019-10-03 01:45:51,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 01:45:51,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 01:45:51,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 01:45:51,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 01:45:51,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:45:51" (1/1) ... [2019-10-03 01:45:51,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:45:51" (1/1) ... [2019-10-03 01:45:51,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:45:51" (1/1) ... [2019-10-03 01:45:51,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:45:51" (1/1) ... [2019-10-03 01:45:52,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:45:51" (1/1) ... [2019-10-03 01:45:52,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:45:51" (1/1) ... [2019-10-03 01:45:52,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:45:51" (1/1) ... [2019-10-03 01:45:52,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 01:45:52,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 01:45:52,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 01:45:52,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 01:45:52,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:45:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:45:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 01:45:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 01:45:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 01:45:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-03 01:45:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-03 01:45:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-03 01:45:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 01:45:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2019-10-03 01:45:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-03 01:45:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-03 01:45:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-03 01:45:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 01:45:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-03 01:45:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-03 01:45:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-03 01:45:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-03 01:45:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-03 01:45:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-03 01:45:52,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-03 01:45:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-03 01:45:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-03 01:45:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-03 01:45:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2019-10-03 01:45:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2019-10-03 01:45:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2019-10-03 01:45:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2019-10-03 01:45:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-10-03 01:45:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-03 01:45:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-03 01:45:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-03 01:45:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-03 01:45:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2019-10-03 01:45:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-03 01:45:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2019-10-03 01:45:52,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 01:45:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 01:45:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 01:45:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 01:45:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 01:45:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-03 01:45:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-03 01:45:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 01:45:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 01:45:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 01:45:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 01:45:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 01:45:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-03 01:45:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-03 01:45:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-03 01:45:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-03 01:45:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-03 01:45:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2019-10-03 01:45:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __to_fd [2019-10-03 01:45:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2019-10-03 01:45:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-03 01:45:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-03 01:45:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_register_iommu_driver [2019-10-03 01:45:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_unregister_iommu_driver [2019-10-03 01:45:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_alloc_group_minor [2019-10-03 01:45:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2019-10-03 01:45:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_get [2019-10-03 01:45:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_release [2019-10-03 01:45:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2019-10-03 01:45:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2019-10-03 01:45:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_create_group [2019-10-03 01:45:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_release [2019-10-03 01:45:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2019-10-03 01:45:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2019-10-03 01:45:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_get [2019-10-03 01:45:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_iommu [2019-10-03 01:45:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_minor [2019-10-03 01:45:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_create_device [2019-10-03 01:45:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_release [2019-10-03 01:45:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2019-10-03 01:45:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2019-10-03 01:45:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2019-10-03 01:45:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_whitelisted_driver [2019-10-03 01:45:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2019-10-03 01:45:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_add_dev [2019-10-03 01:45:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_verify [2019-10-03 01:45:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_iommu_group_notifier [2019-10-03 01:45:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-10-03 01:45:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2019-10-03 01:45:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2019-10-03 01:45:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_present [2019-10-03 01:45:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-10-03 01:45:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2019-10-03 01:45:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_container_attach_groups [2019-10-03 01:45:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2019-10-03 01:45:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2019-10-03 01:45:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2019-10-03 01:45:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2019-10-03 01:45:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2019-10-03 01:45:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2019-10-03 01:45:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2019-10-03 01:45:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2019-10-03 01:45:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2019-10-03 01:45:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unset_container [2019-10-03 01:45:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2019-10-03 01:45:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_set_container [2019-10-03 01:45:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2019-10-03 01:45:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device_fd [2019-10-03 01:45:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2019-10-03 01:45:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2019-10-03 01:45:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2019-10-03 01:45:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2019-10-03 01:45:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2019-10-03 01:45:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2019-10-03 01:45:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2019-10-03 01:45:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2019-10-03 01:45:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2019-10-03 01:45:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2019-10-03 01:45:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_external_user [2019-10-03 01:45:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2019-10-03 01:45:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_user_iommu_id [2019-10-03 01:45:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_check_extension [2019-10-03 01:45:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_devnode [2019-10-03 01:45:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_init [2019-10-03 01:45:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cleanup [2019-10-03 01:45:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-03 01:45:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2019-10-03 01:45:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-03 01:45:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 01:45:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-03 01:45:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-03 01:45:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-03 01:45:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-10-03 01:45:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-03 01:45:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_7 [2019-10-03 01:45:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-10-03 01:45:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_9 [2019-10-03 01:45:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_10 [2019-10-03 01:45:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-10-03 01:45:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_12 [2019-10-03 01:45:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_13 [2019-10-03 01:45:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_14 [2019-10-03 01:45:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_15 [2019-10-03 01:45:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_16 [2019-10-03 01:45:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 01:45:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 01:45:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 01:45:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 01:45:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 01:45:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-03 01:45:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-03 01:45:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-03 01:45:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-03 01:45:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-03 01:45:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 01:45:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-03 01:45:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-03 01:45:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-03 01:45:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-03 01:45:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __fdget [2019-10-03 01:45:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-10-03 01:45:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-03 01:45:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-03 01:45:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-03 01:45:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-03 01:45:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-03 01:45:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-03 01:45:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-03 01:45:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-03 01:45:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-03 01:45:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-10-03 01:45:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure anon_inode_getfile [2019-10-03 01:45:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-10-03 01:45:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-10-03 01:45:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-10-03 01:45:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-03 01:45:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-03 01:45:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-03 01:45:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-03 01:45:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-03 01:45:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-10-03 01:45:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-10-03 01:45:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-03 01:45:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-03 01:45:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-03 01:45:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-03 01:45:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-10-03 01:45:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-10-03 01:45:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-10-03 01:45:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2019-10-03 01:45:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-03 01:45:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_for_each_dev [2019-10-03 01:45:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-10-03 01:45:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2019-10-03 01:45:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-10-03 01:45:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_register_notifier [2019-10-03 01:45:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_unregister_notifier [2019-10-03 01:45:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-10-03 01:45:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 01:45:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_1 [2019-10-03 01:45:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-03 01:45:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-03 01:45:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-03 01:45:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-03 01:45:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 01:45:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-03 01:45:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 01:45:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2019-10-03 01:45:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-03 01:45:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-10-03 01:45:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-10-03 01:45:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-10-03 01:45:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-10-03 01:45:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-03 01:45:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-03 01:45:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 01:45:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 01:45:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 01:45:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 01:45:52,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 01:45:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 01:45:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 01:45:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 01:45:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 01:45:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-03 01:45:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 01:45:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 01:45:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 01:45:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 01:45:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-03 01:45:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-03 01:45:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-03 01:45:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-10-03 01:45:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 01:45:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 01:45:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 01:45:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 01:45:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 01:45:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-03 01:45:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-03 01:45:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 01:45:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-03 01:45:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-03 01:45:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-03 01:45:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-03 01:45:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-03 01:45:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-03 01:45:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-10-03 01:45:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 01:45:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-03 01:45:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-03 01:45:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-03 01:45:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-03 01:45:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2019-10-03 01:45:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-03 01:45:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-03 01:45:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-03 01:45:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-03 01:45:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-03 01:45:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-03 01:45:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-03 01:45:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-03 01:45:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2019-10-03 01:45:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2019-10-03 01:45:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2019-10-03 01:45:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2019-10-03 01:45:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-03 01:45:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-03 01:45:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-03 01:45:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-03 01:45:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-03 01:45:52,372 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-03 01:45:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 01:45:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-10-03 01:45:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-10-03 01:45:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-10-03 01:45:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-10-03 01:45:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-10-03 01:45:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-03 01:45:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-03 01:45:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-10-03 01:45:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-10-03 01:45:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-03 01:45:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-10-03 01:45:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2019-10-03 01:45:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-10-03 01:45:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 01:45:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-03 01:45:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-03 01:45:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-03 01:45:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 01:45:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-03 01:45:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2019-10-03 01:45:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-03 01:45:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-10-03 01:45:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_7 [2019-10-03 01:45:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-03 01:45:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-10-03 01:45:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_9 [2019-10-03 01:45:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_10 [2019-10-03 01:45:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-10-03 01:45:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-03 01:45:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-03 01:45:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-03 01:45:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2019-10-03 01:45:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 01:45:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 01:45:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 01:45:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 01:45:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 01:45:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 01:45:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 01:45:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 01:45:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 01:45:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 01:45:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 01:45:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 01:45:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 01:45:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 01:45:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-03 01:45:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-03 01:45:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 01:45:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 01:45:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 01:45:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 01:45:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 01:45:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-03 01:45:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2019-10-03 01:45:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-03 01:45:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-10-03 01:45:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_13 [2019-10-03 01:45:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-10-03 01:45:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-10-03 01:45:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_15 [2019-10-03 01:45:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-03 01:45:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-10-03 01:45:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-10-03 01:45:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-03 01:45:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-03 01:45:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-03 01:45:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-03 01:45:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-03 01:45:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-03 01:45:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-03 01:45:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-03 01:45:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-03 01:45:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-03 01:45:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2019-10-03 01:45:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure __fdget [2019-10-03 01:45:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure __to_fd [2019-10-03 01:45:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2019-10-03 01:45:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-03 01:45:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2019-10-03 01:45:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-03 01:45:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure anon_inode_getfile [2019-10-03 01:45:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_for_each_dev [2019-10-03 01:45:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-10-03 01:45:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-10-03 01:45:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_register_notifier [2019-10-03 01:45:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_unregister_notifier [2019-10-03 01:45:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2019-10-03 01:45:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-03 01:45:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_12 [2019-10-03 01:45:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-03 01:45:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_14 [2019-10-03 01:45:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_16 [2019-10-03 01:45:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-03 01:45:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-03 01:45:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-03 01:45:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-03 01:45:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-03 01:45:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-03 01:45:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-10-03 01:45:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-10-03 01:45:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2019-10-03 01:45:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2019-10-03 01:45:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2019-10-03 01:45:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_register_iommu_driver [2019-10-03 01:45:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_unregister_iommu_driver [2019-10-03 01:45:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_external_user [2019-10-03 01:45:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2019-10-03 01:45:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_user_iommu_id [2019-10-03 01:45:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_check_extension [2019-10-03 01:45:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_alloc_group_minor [2019-10-03 01:45:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2019-10-03 01:45:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_iommu_group_notifier [2019-10-03 01:45:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2019-10-03 01:45:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_get [2019-10-03 01:45:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_release [2019-10-03 01:45:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2019-10-03 01:45:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2019-10-03 01:45:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_create_group [2019-10-03 01:45:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_release [2019-10-03 01:45:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2019-10-03 01:45:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_get [2019-10-03 01:45:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_iommu [2019-10-03 01:45:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_minor [2019-10-03 01:45:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_create_device [2019-10-03 01:45:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_release [2019-10-03 01:45:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2019-10-03 01:45:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2019-10-03 01:45:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_whitelisted_driver [2019-10-03 01:45:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2019-10-03 01:45:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_add_dev [2019-10-03 01:45:52,397 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_verify [2019-10-03 01:45:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_present [2019-10-03 01:45:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-03 01:45:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2019-10-03 01:45:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-03 01:45:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_container_attach_groups [2019-10-03 01:45:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-03 01:45:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 01:45:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2019-10-03 01:45:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2019-10-03 01:45:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2019-10-03 01:45:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2019-10-03 01:45:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2019-10-03 01:45:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2019-10-03 01:45:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2019-10-03 01:45:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-03 01:45:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2019-10-03 01:45:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2019-10-03 01:45:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2019-10-03 01:45:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unset_container [2019-10-03 01:45:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2019-10-03 01:45:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_set_container [2019-10-03 01:45:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2019-10-03 01:45:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device_fd [2019-10-03 01:45:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-03 01:45:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2019-10-03 01:45:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2019-10-03 01:45:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2019-10-03 01:45:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2019-10-03 01:45:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2019-10-03 01:45:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2019-10-03 01:45:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2019-10-03 01:45:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2019-10-03 01:45:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2019-10-03 01:45:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2019-10-03 01:45:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_devnode [2019-10-03 01:45:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_init [2019-10-03 01:45:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cleanup [2019-10-03 01:45:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_1 [2019-10-03 01:45:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 01:45:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 01:45:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 01:45:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 01:45:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 01:45:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-03 01:45:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-03 01:45:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-03 01:45:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 01:45:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-03 01:45:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 01:45:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 01:45:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 01:45:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 01:45:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 01:45:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 01:45:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 01:45:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 01:45:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 01:45:53,954 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 01:45:58,539 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-03 01:45:59,113 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 01:45:59,114 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 01:45:59,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:45:59 BoogieIcfgContainer [2019-10-03 01:45:59,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 01:45:59,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 01:45:59,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 01:45:59,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 01:45:59,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 01:45:48" (1/3) ... [2019-10-03 01:45:59,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b91a84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:45:59, skipping insertion in model container [2019-10-03 01:45:59,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:45:51" (2/3) ... [2019-10-03 01:45:59,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b91a84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:45:59, skipping insertion in model container [2019-10-03 01:45:59,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:45:59" (3/3) ... [2019-10-03 01:45:59,126 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-03 01:45:59,138 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 01:45:59,151 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 01:45:59,172 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 01:45:59,205 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 01:45:59,205 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 01:45:59,206 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 01:45:59,206 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 01:45:59,206 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 01:45:59,206 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 01:45:59,206 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 01:45:59,206 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 01:45:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states. [2019-10-03 01:45:59,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-10-03 01:45:59,326 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:45:59,328 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:45:59,331 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:45:59,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:45:59,337 INFO L82 PathProgramCache]: Analyzing trace with hash -620365071, now seen corresponding path program 1 times [2019-10-03 01:45:59,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:45:59,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:45:59,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:45:59,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:45:59,442 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:46:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:46:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2019-10-03 01:46:00,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:46:00,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:46:00,807 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:46:00,814 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:46:00,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:46:00,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:46:00,835 INFO L87 Difference]: Start difference. First operand 1854 states. Second operand 3 states. [2019-10-03 01:46:02,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:46:02,072 INFO L93 Difference]: Finished difference Result 2649 states and 3433 transitions. [2019-10-03 01:46:02,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:46:02,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2019-10-03 01:46:02,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:46:02,121 INFO L225 Difference]: With dead ends: 2649 [2019-10-03 01:46:02,121 INFO L226 Difference]: Without dead ends: 2630 [2019-10-03 01:46:02,123 INFO L640 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 [2019-10-03 01:46:02,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states. [2019-10-03 01:46:02,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2627. [2019-10-03 01:46:02,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2627 states. [2019-10-03 01:46:02,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2627 states and 3402 transitions. [2019-10-03 01:46:02,399 INFO L78 Accepts]: Start accepts. Automaton has 2627 states and 3402 transitions. Word has length 360 [2019-10-03 01:46:02,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:46:02,402 INFO L475 AbstractCegarLoop]: Abstraction has 2627 states and 3402 transitions. [2019-10-03 01:46:02,402 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:46:02,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3402 transitions. [2019-10-03 01:46:02,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2019-10-03 01:46:02,420 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:46:02,420 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:46:02,421 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:46:02,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:46:02,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1052476734, now seen corresponding path program 1 times [2019-10-03 01:46:02,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:46:02,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:02,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:46:02,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:02,439 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:46:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:46:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2019-10-03 01:46:03,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:46:03,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:46:03,674 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:46:03,677 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:46:03,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:46:03,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:46:03,678 INFO L87 Difference]: Start difference. First operand 2627 states and 3402 transitions. Second operand 3 states. [2019-10-03 01:46:03,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:46:03,964 INFO L93 Difference]: Finished difference Result 4990 states and 6457 transitions. [2019-10-03 01:46:03,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:46:03,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 415 [2019-10-03 01:46:03,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:46:04,005 INFO L225 Difference]: With dead ends: 4990 [2019-10-03 01:46:04,005 INFO L226 Difference]: Without dead ends: 4990 [2019-10-03 01:46:04,006 INFO L640 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 [2019-10-03 01:46:04,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4990 states. [2019-10-03 01:46:04,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4990 to 4961. [2019-10-03 01:46:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4961 states. [2019-10-03 01:46:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4961 states to 4961 states and 6427 transitions. [2019-10-03 01:46:04,241 INFO L78 Accepts]: Start accepts. Automaton has 4961 states and 6427 transitions. Word has length 415 [2019-10-03 01:46:04,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:46:04,243 INFO L475 AbstractCegarLoop]: Abstraction has 4961 states and 6427 transitions. [2019-10-03 01:46:04,243 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:46:04,243 INFO L276 IsEmpty]: Start isEmpty. Operand 4961 states and 6427 transitions. [2019-10-03 01:46:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2019-10-03 01:46:04,252 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:46:04,253 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:46:04,253 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:46:04,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:46:04,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1874516848, now seen corresponding path program 1 times [2019-10-03 01:46:04,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:46:04,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:04,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:46:04,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:04,273 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:46:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:46:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2019-10-03 01:46:04,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:46:04,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:46:04,827 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:46:04,828 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:46:04,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:46:04,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:46:04,829 INFO L87 Difference]: Start difference. First operand 4961 states and 6427 transitions. Second operand 3 states. [2019-10-03 01:46:05,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:46:05,045 INFO L93 Difference]: Finished difference Result 4885 states and 6295 transitions. [2019-10-03 01:46:05,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:46:05,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 388 [2019-10-03 01:46:05,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:46:05,199 INFO L225 Difference]: With dead ends: 4885 [2019-10-03 01:46:05,199 INFO L226 Difference]: Without dead ends: 4885 [2019-10-03 01:46:05,200 INFO L640 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 [2019-10-03 01:46:05,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2019-10-03 01:46:05,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2019-10-03 01:46:05,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4885 states. [2019-10-03 01:46:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 6295 transitions. [2019-10-03 01:46:05,461 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 6295 transitions. Word has length 388 [2019-10-03 01:46:05,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:46:05,463 INFO L475 AbstractCegarLoop]: Abstraction has 4885 states and 6295 transitions. [2019-10-03 01:46:05,463 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:46:05,463 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 6295 transitions. [2019-10-03 01:46:05,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-10-03 01:46:05,472 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:46:05,473 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:46:05,473 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:46:05,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:46:05,474 INFO L82 PathProgramCache]: Analyzing trace with hash -378003485, now seen corresponding path program 1 times [2019-10-03 01:46:05,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:46:05,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:05,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:46:05,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:05,488 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:46:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:46:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2019-10-03 01:46:06,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:46:06,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:46:06,017 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:46:06,018 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:46:06,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:46:06,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:46:06,019 INFO L87 Difference]: Start difference. First operand 4885 states and 6295 transitions. Second operand 3 states. [2019-10-03 01:46:06,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:46:06,182 INFO L93 Difference]: Finished difference Result 2589 states and 3307 transitions. [2019-10-03 01:46:06,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:46:06,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 378 [2019-10-03 01:46:06,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:46:06,202 INFO L225 Difference]: With dead ends: 2589 [2019-10-03 01:46:06,202 INFO L226 Difference]: Without dead ends: 2589 [2019-10-03 01:46:06,202 INFO L640 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 [2019-10-03 01:46:06,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2019-10-03 01:46:06,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2589. [2019-10-03 01:46:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2589 states. [2019-10-03 01:46:06,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 3307 transitions. [2019-10-03 01:46:06,294 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 3307 transitions. Word has length 378 [2019-10-03 01:46:06,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:46:06,295 INFO L475 AbstractCegarLoop]: Abstraction has 2589 states and 3307 transitions. [2019-10-03 01:46:06,295 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:46:06,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 3307 transitions. [2019-10-03 01:46:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-10-03 01:46:06,298 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:46:06,299 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:46:06,299 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:46:06,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:46:06,300 INFO L82 PathProgramCache]: Analyzing trace with hash 554262389, now seen corresponding path program 1 times [2019-10-03 01:46:06,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:46:06,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:06,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:46:06,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:06,317 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:46:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:46:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2019-10-03 01:46:07,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:46:07,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 01:46:07,012 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:46:07,013 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 01:46:07,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 01:46:07,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 01:46:07,015 INFO L87 Difference]: Start difference. First operand 2589 states and 3307 transitions. Second operand 5 states. [2019-10-03 01:46:08,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:46:08,438 INFO L93 Difference]: Finished difference Result 1483 states and 1873 transitions. [2019-10-03 01:46:08,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 01:46:08,439 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 375 [2019-10-03 01:46:08,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:46:08,451 INFO L225 Difference]: With dead ends: 1483 [2019-10-03 01:46:08,452 INFO L226 Difference]: Without dead ends: 1483 [2019-10-03 01:46:08,452 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 01:46:08,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2019-10-03 01:46:08,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1461. [2019-10-03 01:46:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1461 states. [2019-10-03 01:46:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 1847 transitions. [2019-10-03 01:46:08,510 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 1847 transitions. Word has length 375 [2019-10-03 01:46:08,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:46:08,511 INFO L475 AbstractCegarLoop]: Abstraction has 1461 states and 1847 transitions. [2019-10-03 01:46:08,511 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 01:46:08,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1847 transitions. [2019-10-03 01:46:08,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-10-03 01:46:08,516 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:46:08,517 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:46:08,517 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:46:08,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:46:08,518 INFO L82 PathProgramCache]: Analyzing trace with hash 611520691, now seen corresponding path program 1 times [2019-10-03 01:46:08,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:46:08,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:08,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:46:08,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:08,534 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:46:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:46:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2019-10-03 01:46:09,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:46:09,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:46:09,184 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:46:09,185 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:46:09,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:46:09,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:46:09,187 INFO L87 Difference]: Start difference. First operand 1461 states and 1847 transitions. Second operand 3 states. [2019-10-03 01:46:09,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:46:09,267 INFO L93 Difference]: Finished difference Result 2824 states and 3581 transitions. [2019-10-03 01:46:09,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:46:09,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 375 [2019-10-03 01:46:09,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:46:09,286 INFO L225 Difference]: With dead ends: 2824 [2019-10-03 01:46:09,286 INFO L226 Difference]: Without dead ends: 2752 [2019-10-03 01:46:09,287 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:46:09,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2752 states. [2019-10-03 01:46:09,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2752 to 2749. [2019-10-03 01:46:09,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2749 states. [2019-10-03 01:46:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 3493 transitions. [2019-10-03 01:46:09,396 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 3493 transitions. Word has length 375 [2019-10-03 01:46:09,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:46:09,397 INFO L475 AbstractCegarLoop]: Abstraction has 2749 states and 3493 transitions. [2019-10-03 01:46:09,397 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:46:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3493 transitions. [2019-10-03 01:46:09,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2019-10-03 01:46:09,410 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:46:09,410 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:46:09,411 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:46:09,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:46:09,411 INFO L82 PathProgramCache]: Analyzing trace with hash -854954880, now seen corresponding path program 1 times [2019-10-03 01:46:09,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:46:09,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:09,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:46:09,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:09,428 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:46:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:46:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2019-10-03 01:46:10,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:46:10,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:46:10,324 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:46:10,326 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:46:10,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:46:10,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:46:10,327 INFO L87 Difference]: Start difference. First operand 2749 states and 3493 transitions. Second operand 3 states. [2019-10-03 01:46:12,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:46:12,721 INFO L93 Difference]: Finished difference Result 4104 states and 5205 transitions. [2019-10-03 01:46:12,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:46:12,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 544 [2019-10-03 01:46:12,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:46:12,748 INFO L225 Difference]: With dead ends: 4104 [2019-10-03 01:46:12,749 INFO L226 Difference]: Without dead ends: 4104 [2019-10-03 01:46:12,749 INFO L640 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 [2019-10-03 01:46:12,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4104 states. [2019-10-03 01:46:12,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4104 to 4030. [2019-10-03 01:46:12,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4030 states. [2019-10-03 01:46:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4030 states to 4030 states and 5120 transitions. [2019-10-03 01:46:12,897 INFO L78 Accepts]: Start accepts. Automaton has 4030 states and 5120 transitions. Word has length 544 [2019-10-03 01:46:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:46:12,898 INFO L475 AbstractCegarLoop]: Abstraction has 4030 states and 5120 transitions. [2019-10-03 01:46:12,898 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:46:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 5120 transitions. [2019-10-03 01:46:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2019-10-03 01:46:12,911 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:46:12,912 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:46:12,912 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:46:12,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:46:12,913 INFO L82 PathProgramCache]: Analyzing trace with hash -258927832, now seen corresponding path program 1 times [2019-10-03 01:46:12,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:46:12,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:12,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:46:12,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:12,926 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:46:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:46:13,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1929 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1929 trivial. 0 not checked. [2019-10-03 01:46:13,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:46:13,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:46:13,677 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:46:13,678 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:46:13,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:46:13,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:46:13,679 INFO L87 Difference]: Start difference. First operand 4030 states and 5120 transitions. Second operand 3 states. [2019-10-03 01:46:13,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:46:13,744 INFO L93 Difference]: Finished difference Result 4058 states and 5162 transitions. [2019-10-03 01:46:13,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:46:13,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 559 [2019-10-03 01:46:13,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:46:13,780 INFO L225 Difference]: With dead ends: 4058 [2019-10-03 01:46:13,781 INFO L226 Difference]: Without dead ends: 4058 [2019-10-03 01:46:13,781 INFO L640 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 [2019-10-03 01:46:13,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4058 states. [2019-10-03 01:46:13,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4058 to 4042. [2019-10-03 01:46:13,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4042 states. [2019-10-03 01:46:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4042 states to 4042 states and 5136 transitions. [2019-10-03 01:46:13,893 INFO L78 Accepts]: Start accepts. Automaton has 4042 states and 5136 transitions. Word has length 559 [2019-10-03 01:46:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:46:13,894 INFO L475 AbstractCegarLoop]: Abstraction has 4042 states and 5136 transitions. [2019-10-03 01:46:13,895 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:46:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 4042 states and 5136 transitions. [2019-10-03 01:46:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2019-10-03 01:46:13,906 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:46:13,906 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:46:13,907 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:46:13,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:46:13,907 INFO L82 PathProgramCache]: Analyzing trace with hash 294408721, now seen corresponding path program 1 times [2019-10-03 01:46:13,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:46:13,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:13,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:46:13,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:46:13,920 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:46:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:46:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1929 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 1838 trivial. 0 not checked. [2019-10-03 01:46:16,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 01:46:16,441 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 01:46:16,443 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 565 with the following transitions: [2019-10-03 01:46:16,451 INFO L207 CegarAbsIntRunner]: [112], [118], [119], [120], [121], [170], [172], [173], [298], [300], [302], [304], [307], [320], [321], [322], [325], [328], [344], [346], [349], [351], [355], [359], [361], [364], [366], [516], [517], [518], [523], [524], [531], [533], [584], [585], [590], [596], [597], [598], [600], [604], [632], [633], [650], [652], [655], [684], [685], [728], [729], [912], [913], [920], [921], [949], [950], [951], [953], [955], [956], [967], [969], [971], [972], [1012], [1013], [1014], [1015], [1113], [1114], [1242], [1340], [1341], [1380], [1381], [1500], [1503], [1505], [1508], [1511], [1519], [1523], [1525], [1527], [1534], [1536], [1541], [1543], [1545], [1550], [1561], [1562], [1563], [1600], [1602], [1603], [1606], [1608], [1609], [1681], [1683], [1685], [1687], [1689], [1691], [1693], [1695], [1697], [1699], [1701], [1704], [1706], [1708], [1710], [1712], [1714], [1716], [1718], [1720], [1722], [1724], [1726], [1728], [1730], [1732], [1734], [1736], [1739], [1742], [1745], [1748], [1869], [1872], [1875], [1887], [1890], [1893], [1895], [1898], [1906], [2150], [2156], [2162], [2165], [2168], [2174], [2177], [2183], [2439], [2440], [2445], [2446], [2451], [2453], [2455], [2458], [2593], [2594], [2603], [2606], [2669], [2670], [2733], [2734], [2928], [2930], [3003], [3005], [3006], [3069], [3070], [3107], [3108], [3109], [3110], [3115], [3121], [3122], [3123], [3124], [3125], [3126], [3127], [3128], [3129], [3130], [3131], [3183], [3184], [3199], [3200], [3201], [3219], [3220], [3221], [3321], [3322], [3323], [3324], [3327], [3328], [3329], [3330], [3537], [3538], [3539], [3540], [3541], [3542], [3543], [3544], [3545], [3546], [3547], [3548], [3549], [3550], [3551], [3552], [3553], [3554], [3555], [3556], [3557], [3558], [3559], [3560], [3561], [3562], [3563], [3564], [3567], [3568], [3569], [3570], [3571], [3572], [3583], [3584], [3585], [3586], [3613], [3614], [3615], [3616], [3617], [3618], [3619], [3620], [3621], [3622], [3623], [3624], [3625], [3626], [3627], [3628], [3629], [3630], [3631], [3632], [3633], [3634], [3635], [3636], [3637], [3638], [3639], [3640], [3641], [3642], [3643], [3644], [3645], [3646], [3647], [3648], [3649], [3650], [3651], [3652], [3653], [3654], [3655], [3656], [3657], [3658], [3659], [3660], [3661], [3662], [3663], [3664], [3665], [3666], [3667], [3689], [3690], [3731], [3732], [3735], [3736], [3829], [3830], [3831], [3832], [3833], [3897], [4019], [4020], [4021], [4025], [4026], [4027], [4067], [4068] [2019-10-03 01:46:16,528 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 01:46:16,528 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 01:46:16,738 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 01:46:16,740 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 223 root evaluator evaluations with a maximum evaluation depth of 0. Performed 223 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 504 variables. [2019-10-03 01:46:16,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:46:16,745 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 01:46:16,956 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 01:46:16,957 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 01:46:16,978 INFO L420 sIntCurrentIteration]: We unified 563 AI predicates to 563 [2019-10-03 01:46:16,978 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 01:46:16,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 01:46:16,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-10-03 01:46:16,980 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:46:16,981 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 01:46:16,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 01:46:16,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 01:46:16,982 INFO L87 Difference]: Start difference. First operand 4042 states and 5136 transitions. Second operand 2 states. [2019-10-03 01:46:16,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:46:16,983 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 01:46:16,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 01:46:16,983 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 564 [2019-10-03 01:46:16,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:46:16,983 INFO L225 Difference]: With dead ends: 2 [2019-10-03 01:46:16,983 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 01:46:16,984 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 01:46:16,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 01:46:16,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 01:46:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 01:46:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 01:46:16,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 564 [2019-10-03 01:46:16,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:46:16,985 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 01:46:16,985 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 01:46:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 01:46:16,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 01:46:16,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 01:46:16 BoogieIcfgContainer [2019-10-03 01:46:16,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 01:46:16,999 INFO L168 Benchmark]: Toolchain (without parser) took 28897.24 ms. Allocated memory was 138.4 MB in the beginning and 999.8 MB in the end (delta: 861.4 MB). Free memory was 76.5 MB in the beginning and 362.5 MB in the end (delta: -286.0 MB). Peak memory consumption was 575.4 MB. Max. memory is 7.1 GB. [2019-10-03 01:46:17,001 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-03 01:46:17,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3667.35 ms. Allocated memory was 138.4 MB in the beginning and 269.0 MB in the end (delta: 130.5 MB). Free memory was 76.1 MB in the beginning and 151.5 MB in the end (delta: -75.4 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. [2019-10-03 01:46:17,005 INFO L168 Benchmark]: Boogie Preprocessor took 439.59 ms. Allocated memory is still 269.0 MB. Free memory was 151.5 MB in the beginning and 122.3 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2019-10-03 01:46:17,008 INFO L168 Benchmark]: RCFGBuilder took 6908.92 ms. Allocated memory was 269.0 MB in the beginning and 457.7 MB in the end (delta: 188.7 MB). Free memory was 122.3 MB in the beginning and 267.8 MB in the end (delta: -145.4 MB). Peak memory consumption was 196.0 MB. Max. memory is 7.1 GB. [2019-10-03 01:46:17,013 INFO L168 Benchmark]: TraceAbstraction took 17875.52 ms. Allocated memory was 457.7 MB in the beginning and 999.8 MB in the end (delta: 542.1 MB). Free memory was 267.8 MB in the beginning and 362.5 MB in the end (delta: -94.8 MB). Peak memory consumption was 447.4 MB. Max. memory is 7.1 GB. [2019-10-03 01:46:17,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3667.35 ms. Allocated memory was 138.4 MB in the beginning and 269.0 MB in the end (delta: 130.5 MB). Free memory was 76.1 MB in the beginning and 151.5 MB in the end (delta: -75.4 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 439.59 ms. Allocated memory is still 269.0 MB. Free memory was 151.5 MB in the beginning and 122.3 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6908.92 ms. Allocated memory was 269.0 MB in the beginning and 457.7 MB in the end (delta: 188.7 MB). Free memory was 122.3 MB in the beginning and 267.8 MB in the end (delta: -145.4 MB). Peak memory consumption was 196.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17875.52 ms. Allocated memory was 457.7 MB in the beginning and 999.8 MB in the end (delta: 542.1 MB). Free memory was 267.8 MB in the beginning and 362.5 MB in the end (delta: -94.8 MB). Peak memory consumption was 447.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6743]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 214 procedures, 1927 locations, 1 error locations. SAFE Result, 17.7s OverallTime, 9 OverallIterations, 16 TraceHistogramMax, 6.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15455 SDtfs, 9513 SDslu, 13589 SDs, 0 SdLazy, 113 SolverSat, 32 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4961occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.733570159857904 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 147 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 3958 NumberOfCodeBlocks, 3958 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 3949 ConstructedInterpolants, 0 QuantifiedInterpolants, 1914188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 15015/15099 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...