java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_1_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 03:29:21,030 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 03:29:21,060 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 03:29:21,076 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 03:29:21,077 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 03:29:21,078 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 03:29:21,079 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 03:29:21,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 03:29:21,084 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 03:29:21,085 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 03:29:21,086 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 03:29:21,086 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 03:29:21,088 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 03:29:21,089 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 03:29:21,090 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 03:29:21,093 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 03:29:21,095 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 03:29:21,098 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 03:29:21,100 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 03:29:21,101 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 03:29:21,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 03:29:21,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 03:29:21,110 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 03:29:21,110 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf [2018-01-21 03:29:21,119 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 03:29:21,119 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 03:29:21,120 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 03:29:21,120 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 03:29:21,120 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 03:29:21,121 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 03:29:21,121 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 03:29:21,121 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 03:29:21,121 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 03:29:21,121 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 03:29:21,121 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 03:29:21,122 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 03:29:21,122 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 03:29:21,122 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 03:29:21,122 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 03:29:21,122 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 03:29:21,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 03:29:21,122 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 03:29:21,123 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 03:29:21,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 03:29:21,123 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 03:29:21,123 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 03:29:21,123 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 03:29:21,123 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 03:29:21,124 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 03:29:21,124 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 03:29:21,124 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 03:29:21,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 03:29:21,124 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 03:29:21,125 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 03:29:21,125 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 03:29:21,125 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 03:29:21,125 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 03:29:21,125 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 03:29:21,125 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 03:29:21,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 03:29:21,125 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 03:29:21,125 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 03:29:21,126 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 03:29:21,126 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 03:29:21,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 03:29:21,172 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 03:29:21,176 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 03:29:21,178 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 03:29:21,178 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 03:29:21,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_1_false-valid-memtrack_true-termination.i [2018-01-21 03:29:21,364 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 03:29:21,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 03:29:21,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 03:29:21,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 03:29:21,374 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 03:29:21,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:29:21" (1/1) ... [2018-01-21 03:29:21,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4b3da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:29:21, skipping insertion in model container [2018-01-21 03:29:21,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:29:21" (1/1) ... [2018-01-21 03:29:21,393 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:29:21,442 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:29:21,583 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:29:21,610 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:29:21,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:29:21 WrapperNode [2018-01-21 03:29:21,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 03:29:21,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 03:29:21,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 03:29:21,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 03:29:21,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:29:21" (1/1) ... [2018-01-21 03:29:21,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:29:21" (1/1) ... [2018-01-21 03:29:21,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:29:21" (1/1) ... [2018-01-21 03:29:21,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:29:21" (1/1) ... [2018-01-21 03:29:21,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:29:21" (1/1) ... [2018-01-21 03:29:21,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:29:21" (1/1) ... [2018-01-21 03:29:21,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:29:21" (1/1) ... [2018-01-21 03:29:21,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 03:29:21,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 03:29:21,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 03:29:21,675 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 03:29:21,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:29:21" (1/1) ... No working directory specified, using /storage/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 [2018-01-21 03:29:21,733 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 03:29:21,733 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 03:29:21,733 INFO L136 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-01-21 03:29:21,734 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 03:29:21,734 INFO L136 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-01-21 03:29:21,734 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-01-21 03:29:21,734 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-01-21 03:29:21,734 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-01-21 03:29:21,734 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-01-21 03:29:21,734 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-01-21 03:29:21,734 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-01-21 03:29:21,734 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-01-21 03:29:21,734 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-01-21 03:29:21,735 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-01-21 03:29:21,735 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-01-21 03:29:21,735 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-01-21 03:29:21,735 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-01-21 03:29:21,735 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-01-21 03:29:21,735 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 03:29:21,735 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 03:29:21,735 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 03:29:21,735 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 03:29:21,736 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 03:29:21,736 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 03:29:21,736 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 03:29:21,736 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 03:29:21,736 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 03:29:21,736 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-21 03:29:21,736 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-21 03:29:21,736 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 03:29:21,736 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 03:29:21,736 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-01-21 03:29:21,737 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-01-21 03:29:21,738 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-01-21 03:29:21,738 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-01-21 03:29:21,738 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-01-21 03:29:21,738 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-01-21 03:29:21,738 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-01-21 03:29:21,738 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 03:29:21,738 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 03:29:21,739 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 03:29:21,739 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 03:29:22,139 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 03:29:22,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:29:22 BoogieIcfgContainer [2018-01-21 03:29:22,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 03:29:22,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 03:29:22,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 03:29:22,145 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 03:29:22,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 03:29:21" (1/3) ... [2018-01-21 03:29:22,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482c9aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:29:22, skipping insertion in model container [2018-01-21 03:29:22,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:29:21" (2/3) ... [2018-01-21 03:29:22,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482c9aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:29:22, skipping insertion in model container [2018-01-21 03:29:22,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:29:22" (3/3) ... [2018-01-21 03:29:22,149 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test22_1_false-valid-memtrack_true-termination.i [2018-01-21 03:29:22,157 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 03:29:22,164 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 20 error locations. [2018-01-21 03:29:22,218 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:22,218 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:22,219 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:22,219 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:22,219 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:22,219 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:22,219 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:22,219 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_initErr0EnsuresViolation======== [2018-01-21 03:29:22,220 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:22,244 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:22,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 03:29:22,253 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:22,255 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:22,255 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0EnsuresViolation]=== [2018-01-21 03:29:22,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1549506221, now seen corresponding path program 1 times [2018-01-21 03:29:22,263 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:22,327 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:22,327 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:22,327 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:22,328 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:22,409 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:22,659 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:22,659 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:29:22,660 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:22,664 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:29:22,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:29:22,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:22,684 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 5 states. [2018-01-21 03:29:22,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:22,753 INFO L93 Difference]: Finished difference Result 256 states and 279 transitions. [2018-01-21 03:29:22,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:29:22,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-21 03:29:22,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:22,762 INFO L225 Difference]: With dead ends: 256 [2018-01-21 03:29:22,762 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:22,768 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:22,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:22,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:22,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:22,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 03:29:22,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:22,788 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:22,789 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:29:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:22,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:22,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:29:22,858 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:22,858 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:22,858 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:22,858 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:29:22,858 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:29:22,858 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:29:22,859 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:22,859 INFO L404 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: true [2018-01-21 03:29:22,859 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:29:22,859 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:29:22,859 INFO L404 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: true [2018-01-21 03:29:22,859 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: true [2018-01-21 03:29:22,859 INFO L404 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: true [2018-01-21 03:29:22,860 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:22,860 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:29:22,860 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:22,860 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:22,860 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:22,861 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:22,861 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:22,861 INFO L404 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: true [2018-01-21 03:29:22,861 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:22,861 INFO L404 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: true [2018-01-21 03:29:22,861 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:22,861 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:29:22,862 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:22,862 INFO L404 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: true [2018-01-21 03:29:22,862 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:29:22,862 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:22,862 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 03:29:22,862 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:22,862 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:22,863 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:22,863 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:22,863 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:22,863 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:22,863 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:22,863 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:22,863 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: true [2018-01-21 03:29:22,864 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:22,864 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:22,864 INFO L404 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: true [2018-01-21 03:29:22,864 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:22,864 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:29:22,864 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:22,864 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:29:22,865 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: true [2018-01-21 03:29:22,865 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:22,865 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:22,865 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:22,865 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:22,865 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: true [2018-01-21 03:29:22,865 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:22,866 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:22,866 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:22,866 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:29:22,866 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:22,866 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:22,866 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:22,866 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:22,866 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:22,866 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 03:29:22,866 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:22,867 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:22,867 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:22,867 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 03:29:22,867 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 03:29:22,867 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:22,867 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:29:22,867 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:22,867 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: true [2018-01-21 03:29:22,867 INFO L404 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: true [2018-01-21 03:29:22,867 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:22,867 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:22,867 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:29:22,868 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:22,868 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:29:22,868 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:29:22,868 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:29:22,868 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:22,868 INFO L404 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: true [2018-01-21 03:29:22,868 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:29:22,868 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:22,868 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:22,868 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:22,868 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:22,869 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:22,869 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:22,869 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:22,869 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:22,869 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:22,869 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:22,869 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:22,869 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:29:22,870 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:22,870 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:22,870 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:22,870 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:22,870 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:22,870 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:22,870 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:22,870 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:22,871 INFO L404 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:22,871 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:22,871 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:22,871 INFO L404 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: true [2018-01-21 03:29:22,871 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:22,871 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:29:22,871 INFO L404 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: true [2018-01-21 03:29:22,872 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:22,872 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 03:29:22,872 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:22,872 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:22,872 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:22,872 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 03:29:22,872 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:22,873 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:22,873 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:22,873 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:22,873 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:22,873 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:22,873 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:22,873 INFO L404 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: true [2018-01-21 03:29:22,874 INFO L404 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: true [2018-01-21 03:29:22,874 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:22,874 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 03:29:22,874 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-21 03:29:22,874 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:22,874 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:22,874 INFO L404 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: true [2018-01-21 03:29:22,874 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:29:22,874 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:29:22,874 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:29:22,874 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:22,874 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:29:22,875 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:22,875 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:22,875 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:29:22,880 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:22,880 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:22,880 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:22,880 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:22,881 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:22,881 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:22,881 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:22,881 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_createErr0EnsuresViolation======== [2018-01-21 03:29:22,881 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-21 03:29:22,887 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:22,887 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:22,887 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_createErr0EnsuresViolation]=== [2018-01-21 03:29:22,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1335420934, now seen corresponding path program 1 times [2018-01-21 03:29:22,888 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:22,889 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:22,890 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:22,890 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:22,890 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:22,908 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:22,937 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:22,937 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:29:22,937 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:22,938 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:29:22,938 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:29:22,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:29:22,938 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 3 states. [2018-01-21 03:29:23,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:23,116 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2018-01-21 03:29:23,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:29:23,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-01-21 03:29:23,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:23,117 INFO L225 Difference]: With dead ends: 140 [2018-01-21 03:29:23,117 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:23,118 INFO L525 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 [2018-01-21 03:29:23,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:23,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:23,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:23,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-21 03:29:23,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:23,118 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:23,119 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:29:23,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:23,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:23,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:29:23,199 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:23,199 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:23,199 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:23,199 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:29:23,199 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:29:23,200 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:29:23,200 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:23,200 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,200 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:29:23,200 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:29:23,200 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,200 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,200 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,201 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:23,201 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:29:23,201 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:23,201 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:23,201 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:23,201 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:23,201 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:23,201 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,201 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:23,202 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,202 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:23,202 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:29:23,202 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:23,202 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,202 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:29:23,202 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:23,202 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 03:29:23,202 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:23,203 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:23,203 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:23,203 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:23,203 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:23,203 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:23,203 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:23,203 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:23,203 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,203 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:23,204 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:23,204 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,204 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:23,204 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:29:23,204 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:23,204 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:29:23,204 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,204 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:23,205 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:23,205 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:23,205 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:23,205 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,205 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,205 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,205 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,205 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:29:23,205 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:23,206 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:23,206 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:23,206 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:23,206 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:23,206 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 03:29:23,206 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:23,206 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:23,206 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:23,206 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 03:29:23,207 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 03:29:23,207 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:23,207 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:29:23,207 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:23,207 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,207 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,207 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:23,207 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:23,207 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:29:23,208 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:23,208 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:29:23,208 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:29:23,208 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:29:23,208 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:23,208 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,208 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:29:23,208 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:23,208 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:23,209 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:23,209 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:23,209 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:23,209 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,209 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,209 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,209 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,209 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:23,209 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:23,210 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:29:23,210 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:23,210 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:23,210 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:23,210 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:23,210 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:23,210 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,210 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:23,210 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:23,211 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,211 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:23,211 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:23,211 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,211 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:23,211 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:29:23,211 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,211 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:23,212 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 03:29:23,212 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:23,212 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:23,212 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:23,212 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 03:29:23,212 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:23,212 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:23,212 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:23,212 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,213 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:23,213 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,213 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,213 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,213 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,213 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:23,213 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,213 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-21 03:29:23,213 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:23,214 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:23,214 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,214 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:29:23,214 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:29:23,214 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:29:23,214 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:23,214 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:29:23,214 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:23,214 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:23,215 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:29:23,218 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:23,218 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:23,218 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:23,218 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:23,218 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:23,218 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:23,218 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:23,218 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_subErr0EnsuresViolation======== [2018-01-21 03:29:23,219 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:23,221 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:23,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-21 03:29:23,224 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:23,224 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:23,224 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-21 03:29:23,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1896840474, now seen corresponding path program 1 times [2018-01-21 03:29:23,225 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:23,226 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:23,226 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:23,226 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:23,226 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:23,261 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:23,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:23,433 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:23,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 03:29:23,433 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:23,434 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 03:29:23,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 03:29:23,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 03:29:23,435 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 7 states. [2018-01-21 03:29:23,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:23,552 INFO L93 Difference]: Finished difference Result 211 states and 223 transitions. [2018-01-21 03:29:23,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 03:29:23,557 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-01-21 03:29:23,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:23,561 INFO L225 Difference]: With dead ends: 211 [2018-01-21 03:29:23,562 INFO L226 Difference]: Without dead ends: 106 [2018-01-21 03:29:23,563 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 03:29:23,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-01-21 03:29:23,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-01-21 03:29:23,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-01-21 03:29:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2018-01-21 03:29:23,585 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 44 [2018-01-21 03:29:23,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:23,586 INFO L432 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2018-01-21 03:29:23,586 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 03:29:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2018-01-21 03:29:23,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-01-21 03:29:23,588 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:23,588 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:23,589 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-21 03:29:23,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1784888949, now seen corresponding path program 1 times [2018-01-21 03:29:23,589 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:23,591 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:23,591 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:23,591 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:23,591 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:23,607 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:23,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:23,674 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:23,674 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:29:23,675 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:23,677 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:29:23,677 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:29:23,677 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:23,677 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand 5 states. [2018-01-21 03:29:23,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:23,718 INFO L93 Difference]: Finished difference Result 198 states and 209 transitions. [2018-01-21 03:29:23,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:29:23,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2018-01-21 03:29:23,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:23,724 INFO L225 Difference]: With dead ends: 198 [2018-01-21 03:29:23,724 INFO L226 Difference]: Without dead ends: 106 [2018-01-21 03:29:23,725 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:23,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-01-21 03:29:23,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-01-21 03:29:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-01-21 03:29:23,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 111 transitions. [2018-01-21 03:29:23,737 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 111 transitions. Word has length 56 [2018-01-21 03:29:23,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:23,737 INFO L432 AbstractCegarLoop]: Abstraction has 106 states and 111 transitions. [2018-01-21 03:29:23,737 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:29:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2018-01-21 03:29:23,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-21 03:29:23,739 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:23,740 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:23,740 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-21 03:29:23,740 INFO L82 PathProgramCache]: Analyzing trace with hash -528964461, now seen corresponding path program 1 times [2018-01-21 03:29:23,740 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:23,742 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:23,742 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:23,742 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:23,742 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:23,760 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:23,856 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:23,856 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 03:29:23,856 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:23,856 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 03:29:23,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 03:29:23,857 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:29:23,857 INFO L87 Difference]: Start difference. First operand 106 states and 111 transitions. Second operand 4 states. [2018-01-21 03:29:23,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:23,893 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2018-01-21 03:29:23,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 03:29:23,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2018-01-21 03:29:23,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:23,894 INFO L225 Difference]: With dead ends: 106 [2018-01-21 03:29:23,894 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:23,894 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:29:23,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:23,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:23,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:23,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-01-21 03:29:23,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:23,895 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:23,895 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 03:29:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:23,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:23,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:29:23,965 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:23,965 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:23,966 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:23,966 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:29:23,966 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:29:23,966 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:29:23,966 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:23,966 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:29:23,966 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:29:23,966 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:29:23,966 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,966 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,966 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:29:23,966 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:23,966 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:29:23,967 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:23,967 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:23,967 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:23,967 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:23,967 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:23,967 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,967 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:23,967 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,967 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:23,967 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:29:23,967 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:23,967 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,967 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:29:23,967 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:29:23,968 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:23,969 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:23,970 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:23,970 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 03:29:23,970 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:23,970 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:23,970 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:23,970 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 03:29:23,970 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 03:29:23,970 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:23,970 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:29:23,970 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:23,970 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,970 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:29:23,970 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:23,970 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:23,971 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:29:23,971 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:23,971 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:29:23,971 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:29:23,971 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:29:23,971 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:23,971 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,971 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:29:23,971 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:23,971 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:23,971 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:23,971 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:23,971 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:23,971 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,971 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,972 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,972 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,972 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:23,972 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:23,972 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:29:23,972 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:23,972 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:23,972 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:23,972 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:23,972 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:23,972 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,972 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:23,972 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:23,972 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,972 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:23,973 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:23,973 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,973 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:23,973 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:29:23,973 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,973 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:23,973 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 03:29:23,973 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:23,973 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:23,973 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:23,973 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 03:29:23,973 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:23,973 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:23,974 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:23,974 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,974 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:23,974 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,974 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:23,974 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:23,974 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,974 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:23,974 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:23,974 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-21 03:29:23,974 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:23,974 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:23,974 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:23,975 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:29:23,975 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:29:23,975 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:29:23,975 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:23,975 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:29:23,975 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:23,975 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:23,975 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:29:23,977 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:23,977 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:23,977 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:23,977 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:23,977 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:23,977 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:23,977 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:23,977 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_atomic_add_returnErr0EnsuresViolation======== [2018-01-21 03:29:23,977 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-21 03:29:23,979 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:23,979 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:23,979 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_atomic_add_returnErr0EnsuresViolation]=== [2018-01-21 03:29:23,979 INFO L82 PathProgramCache]: Analyzing trace with hash -2137962073, now seen corresponding path program 1 times [2018-01-21 03:29:23,980 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:23,981 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:23,981 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:23,981 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:23,981 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:23,992 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:24,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:24,009 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:24,009 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 03:29:24,009 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:24,009 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 03:29:24,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 03:29:24,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:29:24,010 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2018-01-21 03:29:24,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:24,015 INFO L93 Difference]: Finished difference Result 138 states and 146 transitions. [2018-01-21 03:29:24,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 03:29:24,016 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-01-21 03:29:24,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:24,016 INFO L225 Difference]: With dead ends: 138 [2018-01-21 03:29:24,016 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:24,017 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:29:24,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:24,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:24,017 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-21 03:29:24,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:24,017 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:24,017 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 03:29:24,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:24,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:24,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:29:24,067 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:24,067 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:24,067 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:24,067 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:29:24,067 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:29:24,068 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:29:24,068 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:24,068 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:29:24,068 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:29:24,068 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:29:24,068 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,068 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,068 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:29:24,069 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:24,069 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:29:24,069 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:24,069 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:24,069 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:24,069 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:24,069 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:24,069 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,069 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:24,069 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,070 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:24,070 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:29:24,070 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:24,070 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,070 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:29:24,071 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:24,071 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 03:29:24,071 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:24,071 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:24,071 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:24,071 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:24,071 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:24,071 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:24,071 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:24,071 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:24,072 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,072 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:24,072 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:24,072 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,072 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:24,072 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:29:24,072 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:24,072 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:29:24,072 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,073 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:24,073 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:24,073 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:24,073 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:24,073 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,073 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,073 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,073 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,073 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:29:24,073 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:24,074 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:24,074 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:24,074 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:24,074 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:24,074 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 03:29:24,075 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:24,075 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:24,075 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:24,075 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 03:29:24,075 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 03:29:24,075 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:24,075 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:29:24,075 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:24,075 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,076 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:29:24,076 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:24,076 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:24,076 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:29:24,076 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:24,076 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:29:24,076 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:29:24,076 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:29:24,076 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:24,077 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,077 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:29:24,077 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:24,077 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:24,077 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:24,077 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:24,077 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:24,077 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,077 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,077 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,078 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,078 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:24,078 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:24,078 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:29:24,078 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:24,078 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:24,078 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:24,078 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:24,078 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:24,078 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,079 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:24,079 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:24,079 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,079 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:24,079 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:24,079 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,079 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:24,079 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:29:24,079 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,079 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:24,080 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 03:29:24,080 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:24,080 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:24,080 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:24,080 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 03:29:24,080 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:24,080 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:24,080 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:24,080 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,080 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:24,081 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,081 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,081 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:24,081 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,081 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:24,081 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,081 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-21 03:29:24,081 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:24,081 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:24,082 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:24,082 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:29:24,082 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:29:24,082 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:29:24,082 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:24,082 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:29:24,082 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:24,082 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:24,082 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:29:24,086 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:24,086 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:24,086 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:24,087 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:24,087 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:24,087 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:24,087 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:24,087 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_releaseErr0EnsuresViolation======== [2018-01-21 03:29:24,087 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-01-21 03:29:24,091 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:24,091 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:24,096 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 03:29:24,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1198105152, now seen corresponding path program 1 times [2018-01-21 03:29:24,096 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:24,097 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:24,097 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:24,097 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:24,097 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:24,119 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:24,201 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:24,201 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 03:29:24,201 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:24,201 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 03:29:24,201 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 03:29:24,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 03:29:24,202 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 7 states. [2018-01-21 03:29:24,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:24,279 INFO L93 Difference]: Finished difference Result 211 states and 223 transitions. [2018-01-21 03:29:24,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 03:29:24,280 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-01-21 03:29:24,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:24,282 INFO L225 Difference]: With dead ends: 211 [2018-01-21 03:29:24,282 INFO L226 Difference]: Without dead ends: 101 [2018-01-21 03:29:24,282 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 03:29:24,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-01-21 03:29:24,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-01-21 03:29:24,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-01-21 03:29:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 106 transitions. [2018-01-21 03:29:24,296 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 106 transitions. Word has length 56 [2018-01-21 03:29:24,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:24,296 INFO L432 AbstractCegarLoop]: Abstraction has 101 states and 106 transitions. [2018-01-21 03:29:24,296 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 03:29:24,296 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2018-01-21 03:29:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-01-21 03:29:24,298 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:24,298 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:24,298 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 03:29:24,298 INFO L82 PathProgramCache]: Analyzing trace with hash -369542449, now seen corresponding path program 1 times [2018-01-21 03:29:24,298 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:24,299 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:24,299 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:24,299 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:24,299 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:24,309 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:24,469 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:24,470 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:29:24,470 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:24,470 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:29:24,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:29:24,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:24,470 INFO L87 Difference]: Start difference. First operand 101 states and 106 transitions. Second operand 5 states. [2018-01-21 03:29:24,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:24,505 INFO L93 Difference]: Finished difference Result 188 states and 197 transitions. [2018-01-21 03:29:24,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:29:24,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-01-21 03:29:24,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:24,511 INFO L225 Difference]: With dead ends: 188 [2018-01-21 03:29:24,511 INFO L226 Difference]: Without dead ends: 101 [2018-01-21 03:29:24,512 INFO L525 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 [2018-01-21 03:29:24,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-01-21 03:29:24,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-01-21 03:29:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-01-21 03:29:24,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 105 transitions. [2018-01-21 03:29:24,520 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 105 transitions. Word has length 68 [2018-01-21 03:29:24,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:24,520 INFO L432 AbstractCegarLoop]: Abstraction has 101 states and 105 transitions. [2018-01-21 03:29:24,521 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:29:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 105 transitions. [2018-01-21 03:29:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-01-21 03:29:24,522 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:24,522 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:24,522 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 03:29:24,522 INFO L82 PathProgramCache]: Analyzing trace with hash 276849645, now seen corresponding path program 1 times [2018-01-21 03:29:24,523 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:24,524 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:24,524 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:24,524 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:24,524 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:24,538 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:24,587 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:24,587 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 03:29:24,588 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:24,588 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 03:29:24,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 03:29:24,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:29:24,589 INFO L87 Difference]: Start difference. First operand 101 states and 105 transitions. Second operand 4 states. [2018-01-21 03:29:24,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:24,610 INFO L93 Difference]: Finished difference Result 101 states and 105 transitions. [2018-01-21 03:29:24,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 03:29:24,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2018-01-21 03:29:24,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:24,611 INFO L225 Difference]: With dead ends: 101 [2018-01-21 03:29:24,611 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:24,611 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:29:24,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:24,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:24,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:24,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:24,612 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-01-21 03:29:24,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:24,612 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:24,612 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 03:29:24,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:24,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:24,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:29:24,678 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:24,678 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:24,678 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:24,678 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:29:24,678 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:29:24,678 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:29:24,679 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:24,679 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:29:24,679 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:29:24,679 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:29:24,679 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,679 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,679 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:29:24,679 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:24,679 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:29:24,679 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:24,679 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:24,679 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:24,679 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:24,680 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:24,680 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,680 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:24,680 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,680 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:24,680 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:29:24,680 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:24,680 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,680 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:29:24,680 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:24,680 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 03:29:24,680 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:24,680 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:24,681 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:24,681 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:24,681 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:24,681 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:24,681 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:24,681 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:24,681 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,681 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:24,681 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:24,681 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,681 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:24,681 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:29:24,681 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:24,682 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:29:24,682 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,682 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:24,682 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:24,682 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:24,682 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:24,682 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,682 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,682 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,682 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,682 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:29:24,682 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:24,682 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:24,683 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:24,683 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:24,683 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:24,683 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 03:29:24,683 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:24,683 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:24,683 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:24,683 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 03:29:24,683 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 03:29:24,683 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:24,683 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:29:24,683 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:24,683 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,684 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:29:24,684 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:24,684 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:24,684 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:29:24,684 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:24,684 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:29:24,684 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:29:24,684 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:29:24,684 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:24,684 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,684 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:29:24,684 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:24,684 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:24,685 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:24,686 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:24,686 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,686 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:24,686 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:24,686 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,686 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:24,686 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:24,686 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,686 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:24,686 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:29:24,686 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,686 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:24,686 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 03:29:24,687 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:24,687 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:24,687 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:24,687 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 03:29:24,687 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:24,687 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:24,687 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:24,687 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,687 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:24,688 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,688 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:24,688 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:24,688 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,688 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:24,688 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:24,688 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-21 03:29:24,688 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:24,689 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:24,689 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:24,689 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:29:24,689 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:29:24,689 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:29:24,689 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:24,689 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:29:24,690 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:24,690 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:24,690 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:29:24,692 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:24,692 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:24,692 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:24,692 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:24,692 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:24,692 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:24,692 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:24,692 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_cleanupErr0EnsuresViolation======== [2018-01-21 03:29:24,693 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:24,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-01-21 03:29:24,696 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:24,696 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:24,697 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 03:29:24,697 INFO L82 PathProgramCache]: Analyzing trace with hash 88138643, now seen corresponding path program 1 times [2018-01-21 03:29:24,697 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:24,698 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:24,698 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:24,698 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:24,699 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:24,718 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:24,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:24,854 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:24,854 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 03:29:24,854 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:24,854 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 03:29:24,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 03:29:24,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 03:29:24,855 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 7 states. [2018-01-21 03:29:24,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:24,942 INFO L93 Difference]: Finished difference Result 211 states and 223 transitions. [2018-01-21 03:29:24,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 03:29:24,943 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2018-01-21 03:29:24,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:24,944 INFO L225 Difference]: With dead ends: 211 [2018-01-21 03:29:24,944 INFO L226 Difference]: Without dead ends: 99 [2018-01-21 03:29:24,945 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 03:29:24,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-01-21 03:29:24,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-01-21 03:29:24,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-01-21 03:29:24,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 104 transitions. [2018-01-21 03:29:24,954 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 104 transitions. Word has length 54 [2018-01-21 03:29:24,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:24,955 INFO L432 AbstractCegarLoop]: Abstraction has 99 states and 104 transitions. [2018-01-21 03:29:24,955 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 03:29:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2018-01-21 03:29:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-01-21 03:29:24,956 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:24,956 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:24,956 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 03:29:24,956 INFO L82 PathProgramCache]: Analyzing trace with hash -192563102, now seen corresponding path program 1 times [2018-01-21 03:29:24,956 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:24,957 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:24,957 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:24,958 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:24,958 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:24,966 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:25,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:25,053 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:25,054 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:29:25,054 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:25,054 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:29:25,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:29:25,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:25,055 INFO L87 Difference]: Start difference. First operand 99 states and 104 transitions. Second operand 5 states. [2018-01-21 03:29:25,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:25,073 INFO L93 Difference]: Finished difference Result 184 states and 193 transitions. [2018-01-21 03:29:25,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:29:25,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-01-21 03:29:25,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:25,074 INFO L225 Difference]: With dead ends: 184 [2018-01-21 03:29:25,075 INFO L226 Difference]: Without dead ends: 99 [2018-01-21 03:29:25,075 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:25,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-01-21 03:29:25,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-01-21 03:29:25,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-01-21 03:29:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 103 transitions. [2018-01-21 03:29:25,081 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 103 transitions. Word has length 66 [2018-01-21 03:29:25,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:25,082 INFO L432 AbstractCegarLoop]: Abstraction has 99 states and 103 transitions. [2018-01-21 03:29:25,082 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:29:25,082 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 103 transitions. [2018-01-21 03:29:25,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-01-21 03:29:25,082 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:25,082 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:25,083 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 03:29:25,083 INFO L82 PathProgramCache]: Analyzing trace with hash 643862784, now seen corresponding path program 1 times [2018-01-21 03:29:25,083 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:25,084 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:25,084 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:25,084 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:25,084 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:25,094 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:25,149 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:25,149 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 03:29:25,150 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:25,150 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 03:29:25,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 03:29:25,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:29:25,151 INFO L87 Difference]: Start difference. First operand 99 states and 103 transitions. Second operand 4 states. [2018-01-21 03:29:25,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:25,197 INFO L93 Difference]: Finished difference Result 99 states and 103 transitions. [2018-01-21 03:29:25,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 03:29:25,198 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2018-01-21 03:29:25,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:25,199 INFO L225 Difference]: With dead ends: 99 [2018-01-21 03:29:25,199 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:25,199 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:29:25,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:25,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:25,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2018-01-21 03:29:25,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:25,200 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:25,200 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 03:29:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:25,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:25,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:29:25,314 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,314 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,314 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,314 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:29:25,314 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:29:25,314 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:29:25,314 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,314 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:29:25,314 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:29:25,314 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:29:25,315 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,315 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,315 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:29:25,315 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,315 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:29:25,315 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,315 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:25,315 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:25,315 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,315 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,315 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,315 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,315 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,315 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,315 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,316 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,317 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:29:25,317 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 03:29:25,318 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 03:29:25,318 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:25,318 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,318 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:25,319 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:25,319 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:29:25,319 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:25,319 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:25,319 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,320 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,320 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:25,321 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,321 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,321 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,321 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:29:25,321 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,321 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,321 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 03:29:25,321 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,321 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:25,321 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:25,321 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 03:29:25,321 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,321 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,321 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:25,321 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,321 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:25,322 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,322 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,322 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:25,322 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,322 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,322 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,322 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-21 03:29:25,322 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,322 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,322 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:25,322 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:29:25,322 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:29:25,322 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:29:25,322 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,323 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:29:25,323 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,323 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,323 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:29:25,324 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:25,324 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:25,324 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:25,325 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:25,325 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:25,325 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:25,325 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:25,325 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 03:29:25,325 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:25,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-21 03:29:25,328 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:25,328 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:25,328 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 03:29:25,328 INFO L82 PathProgramCache]: Analyzing trace with hash -590140962, now seen corresponding path program 1 times [2018-01-21 03:29:25,328 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:25,329 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:25,330 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:25,330 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:25,330 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:25,337 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:25,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:25,381 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:25,382 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:29:25,382 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:25,382 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:29:25,382 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:29:25,382 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:29:25,382 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 3 states. [2018-01-21 03:29:25,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:25,543 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2018-01-21 03:29:25,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:29:25,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-01-21 03:29:25,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:25,544 INFO L225 Difference]: With dead ends: 140 [2018-01-21 03:29:25,544 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:25,545 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:29:25,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:25,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:25,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:25,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-01-21 03:29:25,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:25,546 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:25,546 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:29:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:25,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:25,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:29:25,626 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,626 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,626 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,626 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:29:25,626 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:29:25,626 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:29:25,626 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,626 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:29:25,627 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:29:25,627 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:29:25,627 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,627 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,627 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:29:25,627 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,627 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:29:25,627 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,627 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:25,627 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:25,627 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,627 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,627 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,627 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,627 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,628 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,629 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:29:25,629 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:25,629 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,629 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:25,630 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:29:25,631 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:25,631 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,631 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:29:25,631 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:25,631 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:25,631 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:29:25,631 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:25,631 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:29:25,631 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:29:25,631 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:29:25,631 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:25,631 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,631 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:29:25,631 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,632 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,633 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,633 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,633 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,633 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,633 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:25,633 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,633 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,633 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,633 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:29:25,633 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,633 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,633 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 03:29:25,633 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,633 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:25,633 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:25,634 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 03:29:25,634 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,634 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,634 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:25,634 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,634 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:25,634 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,634 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,634 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:25,634 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,634 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,634 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,634 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-21 03:29:25,635 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,635 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,635 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:25,635 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:29:25,635 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:29:25,635 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:29:25,635 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,635 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:29:25,635 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,635 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,635 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:29:25,637 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:25,637 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:25,637 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:25,637 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:25,637 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:25,637 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:25,637 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:25,637 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == LDV_INIT_LIST_HEADErr0EnsuresViolation======== [2018-01-21 03:29:25,637 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-21 03:29:25,640 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:25,640 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:25,640 INFO L371 AbstractCegarLoop]: === Iteration 1 === [LDV_INIT_LIST_HEADErr0EnsuresViolation]=== [2018-01-21 03:29:25,640 INFO L82 PathProgramCache]: Analyzing trace with hash 332174384, now seen corresponding path program 1 times [2018-01-21 03:29:25,641 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:25,642 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:25,642 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:25,642 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:25,642 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:25,648 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:25,731 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:25,732 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:29:25,732 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:25,732 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:29:25,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:29:25,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:25,732 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 5 states. [2018-01-21 03:29:25,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:25,799 INFO L93 Difference]: Finished difference Result 256 states and 279 transitions. [2018-01-21 03:29:25,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:29:25,802 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-01-21 03:29:25,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:25,802 INFO L225 Difference]: With dead ends: 256 [2018-01-21 03:29:25,802 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:25,803 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:25,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:25,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:25,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:25,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-01-21 03:29:25,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:25,803 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:25,803 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:29:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:25,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:25,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:29:25,874 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,874 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,875 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,875 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:29:25,875 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:29:25,875 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:29:25,875 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,875 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:29:25,875 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:29:25,875 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:29:25,875 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,875 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,875 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:29:25,875 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,875 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:29:25,876 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,876 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:25,876 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:25,876 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,876 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,876 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,876 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,876 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,876 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,876 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:29:25,876 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:25,876 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,876 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:29:25,876 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,876 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:29:25,877 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,878 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,879 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:25,879 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 03:29:25,879 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,879 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,879 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,879 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 03:29:25,879 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 03:29:25,879 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:25,879 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:29:25,879 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:25,879 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,879 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:29:25,879 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:25,879 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:29:25,880 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:29:25,880 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:29:25,880 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,880 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,880 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,881 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,882 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,882 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:29:25,882 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,882 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,882 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 03:29:25,882 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,882 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:25,882 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:25,882 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 03:29:25,882 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,882 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,882 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:25,882 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,882 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:25,882 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,882 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,883 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:25,883 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,883 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,883 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,883 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-21 03:29:25,883 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,883 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,883 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:25,883 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:29:25,883 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:29:25,883 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:29:25,883 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,883 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:29:25,883 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,884 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,884 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:29:25,885 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:25,885 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:25,885 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:25,885 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:25,885 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:25,885 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:25,885 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:25,886 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_getErr0EnsuresViolation======== [2018-01-21 03:29:25,886 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:25,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-21 03:29:25,887 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:25,888 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:25,888 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_getErr0EnsuresViolation]=== [2018-01-21 03:29:25,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1957957890, now seen corresponding path program 1 times [2018-01-21 03:29:25,888 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:25,889 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:25,889 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:25,889 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:25,889 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:25,896 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:25,904 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:25,904 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 03:29:25,904 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:25,905 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 03:29:25,905 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 03:29:25,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:29:25,905 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2018-01-21 03:29:25,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:25,909 INFO L93 Difference]: Finished difference Result 138 states and 146 transitions. [2018-01-21 03:29:25,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 03:29:25,909 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2018-01-21 03:29:25,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:25,910 INFO L225 Difference]: With dead ends: 138 [2018-01-21 03:29:25,910 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:25,910 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:29:25,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:25,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:25,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:25,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:25,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-01-21 03:29:25,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:25,911 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:25,911 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 03:29:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:25,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:25,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:29:25,928 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,928 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,928 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:25,928 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:29:25,928 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:29:25,928 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:29:25,928 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,928 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:29:25,928 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:29:25,928 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:29:25,929 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,929 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,929 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:29:25,929 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,929 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:29:25,929 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:25,929 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:25,929 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:25,929 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,929 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,929 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,929 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,929 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,930 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,930 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:29:25,930 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:25,930 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,930 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:29:25,930 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:25,930 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 03:29:25,930 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:25,930 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,930 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:25,930 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:25,930 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,930 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:25,931 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:25,931 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,931 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,931 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,931 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:25,931 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,931 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:25,931 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:29:25,931 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:25,931 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:29:25,931 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:25,932 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,932 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:25,932 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:25,933 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 03:29:25,933 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,933 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,933 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:25,933 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 03:29:25,933 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 03:29:25,933 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:25,933 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:29:25,933 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:25,933 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,933 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:29:25,933 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:25,934 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:25,934 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:29:25,934 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:25,934 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:29:25,934 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:29:25,934 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:29:25,934 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:25,934 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,934 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:29:25,934 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:25,934 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,934 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,934 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:25,935 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:25,935 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,935 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,935 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,935 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,935 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:25,935 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,935 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:29:25,935 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:25,935 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:25,935 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:25,935 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,935 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:25,936 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,936 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,936 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:25,936 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,936 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:25,936 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,936 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,936 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,936 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:29:25,936 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,936 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:25,936 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 03:29:25,936 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,937 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:25,937 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:25,937 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 03:29:25,937 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,937 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:25,937 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:25,937 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,937 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:25,937 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,937 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:25,937 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:25,937 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,937 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,938 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:25,938 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-21 03:29:25,938 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,938 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:25,938 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:25,938 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:29:25,938 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:29:25,938 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:29:25,938 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,938 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:29:25,938 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,938 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:25,939 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:29:25,940 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:25,940 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:25,941 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:25,941 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:25,941 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:25,941 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:25,941 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:25,941 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_putErr0EnsuresViolation======== [2018-01-21 03:29:25,941 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:25,943 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:25,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 03:29:25,943 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:25,944 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:25,944 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_putErr0EnsuresViolation]=== [2018-01-21 03:29:25,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1638444452, now seen corresponding path program 1 times [2018-01-21 03:29:25,944 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:25,945 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:25,945 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:25,945 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:25,945 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:25,951 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:25,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:25,965 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:25,965 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:29:25,965 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:25,965 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:29:25,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:29:25,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:29:25,966 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 3 states. [2018-01-21 03:29:26,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:26,073 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2018-01-21 03:29:26,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:29:26,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-01-21 03:29:26,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:26,074 INFO L225 Difference]: With dead ends: 140 [2018-01-21 03:29:26,074 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:26,074 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:29:26,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:26,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:26,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:26,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:26,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 03:29:26,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:26,075 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:26,075 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:29:26,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:26,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:26,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:29:26,116 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:26,116 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:26,116 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:26,116 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:29:26,116 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:29:26,116 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:29:26,116 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:26,116 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:29:26,116 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:29:26,116 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:29:26,117 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,117 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,117 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:29:26,117 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:26,117 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:29:26,117 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:26,117 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:26,117 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:26,117 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:26,117 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:26,117 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,117 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:26,117 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,117 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:26,118 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:29:26,118 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:26,118 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,118 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:29:26,118 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:26,118 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 03:29:26,118 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:26,118 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:26,118 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:26,118 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:26,119 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:26,119 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:26,119 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:26,119 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:26,119 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,119 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:26,119 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:26,119 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,119 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:26,119 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:29:26,119 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:26,119 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:29:26,120 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,120 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:26,120 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:26,120 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:26,120 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:26,120 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,120 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,120 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,120 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,120 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:29:26,121 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:26,121 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:26,121 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:26,121 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:26,121 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:26,121 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 03:29:26,121 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:26,121 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:26,121 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:26,121 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 03:29:26,122 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 03:29:26,122 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:26,122 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:29:26,122 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:26,122 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,122 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:29:26,122 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:26,122 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:26,122 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:29:26,123 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:26,123 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:29:26,123 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:29:26,123 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:29:26,123 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:26,123 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,123 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:29:26,123 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:26,123 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:26,124 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:26,124 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:26,124 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:26,124 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,124 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,124 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,124 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,124 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:26,125 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:26,125 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:29:26,125 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:26,125 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:26,125 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:26,125 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:26,125 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:26,125 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,125 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:26,125 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:26,126 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,126 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:26,126 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:26,126 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,126 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:26,126 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:29:26,126 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,126 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:26,126 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 03:29:26,127 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:26,127 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:26,127 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:26,127 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 03:29:26,127 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:26,127 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:26,127 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:26,127 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,127 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:26,127 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,128 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,128 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:26,128 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,128 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:26,128 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,128 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-21 03:29:26,128 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:26,128 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:26,129 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:26,129 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:29:26,129 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:29:26,129 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:29:26,129 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:26,129 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:29:26,130 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:26,130 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:26,130 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:29:26,131 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:26,132 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:26,132 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:26,132 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:26,132 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:26,132 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:26,132 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:26,132 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_initErr0EnsuresViolation======== [2018-01-21 03:29:26,132 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 03:29:26,135 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:26,135 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:26,135 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_initErr0EnsuresViolation]=== [2018-01-21 03:29:26,135 INFO L82 PathProgramCache]: Analyzing trace with hash -282738570, now seen corresponding path program 1 times [2018-01-21 03:29:26,136 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:26,137 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,137 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:26,137 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,137 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:26,145 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:26,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:26,312 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:26,313 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:29:26,313 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:26,313 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:29:26,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:29:26,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:26,314 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 5 states. [2018-01-21 03:29:26,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:26,335 INFO L93 Difference]: Finished difference Result 256 states and 279 transitions. [2018-01-21 03:29:26,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:29:26,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-21 03:29:26,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:26,338 INFO L225 Difference]: With dead ends: 256 [2018-01-21 03:29:26,338 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:26,339 INFO L525 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 [2018-01-21 03:29:26,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:26,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:26,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:26,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 03:29:26,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:26,340 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:26,340 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:29:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:26,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:26,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:29:26,403 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:26,403 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:26,403 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:29:26,403 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:29:26,404 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:29:26,404 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:29:26,404 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:26,404 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:29:26,404 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:29:26,404 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:29:26,404 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,404 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,404 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:29:26,405 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:26,405 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:29:26,405 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:29:26,405 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:29:26,405 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:29:26,405 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:26,405 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:26,405 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,405 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:26,405 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,406 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:26,406 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:29:26,406 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:26,406 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,406 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:29:26,406 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:29:26,406 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 03:29:26,406 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:26,406 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:26,406 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:26,406 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 03:29:26,407 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:26,407 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 03:29:26,407 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 03:29:26,407 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:26,407 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,407 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:26,407 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:29:26,407 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,407 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:26,407 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:29:26,408 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:26,408 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:29:26,408 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,408 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:29:26,408 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:26,408 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:29:26,408 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:29:26,408 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,408 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,408 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,408 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,409 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:29:26,409 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:26,409 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:26,409 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:26,409 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:29:26,409 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:29:26,409 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 03:29:26,409 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:26,409 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:26,409 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 03:29:26,410 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 03:29:26,410 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 03:29:26,410 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:26,410 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:29:26,410 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:26,410 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,410 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:29:26,410 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:29:26,410 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:29:26,410 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:29:26,411 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:26,411 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:29:26,411 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:29:26,411 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:29:26,411 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:29:26,411 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,411 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:29:26,411 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:26,411 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:26,411 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:26,412 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:29:26,412 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:29:26,412 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,412 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,412 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,412 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,412 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:26,412 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:26,412 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:29:26,412 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:26,413 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:29:26,413 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:29:26,413 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:26,413 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:29:26,413 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,413 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:29:26,413 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:29:26,413 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,413 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:29:26,413 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:26,414 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,414 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:26,414 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:29:26,414 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,416 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:29:26,416 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 03:29:26,416 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:26,416 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:26,416 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 03:29:26,417 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 03:29:26,417 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:26,417 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 03:29:26,417 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:26,417 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,417 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:29:26,417 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,417 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:29:26,417 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:26,418 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,418 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:26,418 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:29:26,418 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-21 03:29:26,418 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:26,418 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:29:26,418 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-21 03:29:26,418 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:29:26,418 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:29:26,419 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:29:26,419 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:26,419 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:29:26,419 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:26,419 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:29:26,419 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:29:26,421 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:26,421 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:26,422 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:26,422 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:26,422 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:26,422 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:26,422 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:26,422 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-21 03:29:26,422 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 03:29:26,424 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:26,424 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:26,424 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 03:29:26,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1672551468, now seen corresponding path program 1 times [2018-01-21 03:29:26,425 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:26,426 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,426 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:26,426 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,426 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:26,432 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:26,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:26,488 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:26,488 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:29:26,488 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:26,488 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:29:26,489 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:29:26,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:29:26,489 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 3 states. [2018-01-21 03:29:26,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:26,610 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2018-01-21 03:29:26,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:29:26,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-01-21 03:29:26,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:26,611 INFO L225 Difference]: With dead ends: 140 [2018-01-21 03:29:26,611 INFO L226 Difference]: Without dead ends: 16 [2018-01-21 03:29:26,611 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:29:26,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-01-21 03:29:26,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-01-21 03:29:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-01-21 03:29:26,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-01-21 03:29:26,614 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2018-01-21 03:29:26,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:26,614 INFO L432 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-01-21 03:29:26,614 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:29:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-01-21 03:29:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-21 03:29:26,615 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:26,615 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:26,615 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 03:29:26,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1004102862, now seen corresponding path program 1 times [2018-01-21 03:29:26,616 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:26,618 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,618 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:26,618 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,618 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:29:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:29:26,655 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 03:29:26,660 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:29:26,661 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:29:26,670 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:26,670 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:26,670 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:26,670 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:26,670 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:26,670 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:26,670 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:26,670 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 03:29:26,670 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:26,672 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:26,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 03:29:26,673 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:26,673 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 03:29:26,673 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 03:29:26,673 INFO L82 PathProgramCache]: Analyzing trace with hash 215582, now seen corresponding path program 1 times [2018-01-21 03:29:26,673 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:26,675 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,675 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:26,675 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,675 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:29:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:29:26,680 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 03:29:26,681 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:29:26,682 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:26,682 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:26,683 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:26,683 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:26,683 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:26,683 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:26,683 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:26,683 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_atomic_sub_returnErr0EnsuresViolation======== [2018-01-21 03:29:26,683 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-01-21 03:29:26,686 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:26,686 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:26,686 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_atomic_sub_returnErr0EnsuresViolation]=== [2018-01-21 03:29:26,687 INFO L82 PathProgramCache]: Analyzing trace with hash 961406950, now seen corresponding path program 1 times [2018-01-21 03:29:26,687 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:26,688 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,688 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:26,688 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,688 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:26,700 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:26,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:26,719 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:26,720 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 03:29:26,720 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:26,720 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 03:29:26,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 03:29:26,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:29:26,721 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2018-01-21 03:29:26,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:26,728 INFO L93 Difference]: Finished difference Result 138 states and 146 transitions. [2018-01-21 03:29:26,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 03:29:26,728 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 40 [2018-01-21 03:29:26,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:26,729 INFO L225 Difference]: With dead ends: 138 [2018-01-21 03:29:26,729 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:26,730 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:29:26,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:26,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:26,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:26,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:26,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2018-01-21 03:29:26,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:26,731 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:26,731 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 03:29:26,731 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:26,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:26,734 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:26,734 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:26,734 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:26,735 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:26,735 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:26,735 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:26,735 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:26,735 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation======== [2018-01-21 03:29:26,735 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:26,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-21 03:29:26,739 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:26,739 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:26,739 INFO L371 AbstractCegarLoop]: === Iteration 1 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 03:29:26,739 INFO L82 PathProgramCache]: Analyzing trace with hash -327811446, now seen corresponding path program 1 times [2018-01-21 03:29:26,739 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:26,740 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,741 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:26,741 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,741 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:26,756 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:26,836 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:26,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 03:29:26,836 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:26,837 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 03:29:26,837 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 03:29:26,837 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 03:29:26,837 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 7 states. [2018-01-21 03:29:26,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:26,925 INFO L93 Difference]: Finished difference Result 211 states and 223 transitions. [2018-01-21 03:29:26,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 03:29:26,925 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-01-21 03:29:26,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:26,926 INFO L225 Difference]: With dead ends: 211 [2018-01-21 03:29:26,926 INFO L226 Difference]: Without dead ends: 103 [2018-01-21 03:29:26,927 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 03:29:26,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-01-21 03:29:26,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-01-21 03:29:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-01-21 03:29:26,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2018-01-21 03:29:26,933 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 58 [2018-01-21 03:29:26,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:26,933 INFO L432 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2018-01-21 03:29:26,933 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 03:29:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2018-01-21 03:29:26,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-01-21 03:29:26,934 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:26,934 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:26,934 INFO L371 AbstractCegarLoop]: === Iteration 2 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 03:29:26,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1351996377, now seen corresponding path program 1 times [2018-01-21 03:29:26,935 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:26,936 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,936 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:26,936 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:26,936 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:26,945 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:26,997 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:26,997 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:29:26,997 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:26,997 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:29:26,998 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:29:26,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:26,998 INFO L87 Difference]: Start difference. First operand 103 states and 108 transitions. Second operand 5 states. [2018-01-21 03:29:27,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:27,016 INFO L93 Difference]: Finished difference Result 192 states and 201 transitions. [2018-01-21 03:29:27,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:29:27,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-01-21 03:29:27,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:27,017 INFO L225 Difference]: With dead ends: 192 [2018-01-21 03:29:27,018 INFO L226 Difference]: Without dead ends: 103 [2018-01-21 03:29:27,018 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:27,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-01-21 03:29:27,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-01-21 03:29:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-01-21 03:29:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 107 transitions. [2018-01-21 03:29:27,033 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 107 transitions. Word has length 70 [2018-01-21 03:29:27,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:27,033 INFO L432 AbstractCegarLoop]: Abstraction has 103 states and 107 transitions. [2018-01-21 03:29:27,033 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:29:27,033 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 107 transitions. [2018-01-21 03:29:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-01-21 03:29:27,034 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:27,034 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:27,034 INFO L371 AbstractCegarLoop]: === Iteration 3 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 03:29:27,034 INFO L82 PathProgramCache]: Analyzing trace with hash -235459209, now seen corresponding path program 1 times [2018-01-21 03:29:27,034 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:27,035 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,036 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:27,036 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,036 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:27,046 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:27,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:27,084 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:27,085 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 03:29:27,085 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:27,085 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 03:29:27,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 03:29:27,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:29:27,086 INFO L87 Difference]: Start difference. First operand 103 states and 107 transitions. Second operand 4 states. [2018-01-21 03:29:27,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:27,104 INFO L93 Difference]: Finished difference Result 103 states and 107 transitions. [2018-01-21 03:29:27,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 03:29:27,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-01-21 03:29:27,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:27,105 INFO L225 Difference]: With dead ends: 103 [2018-01-21 03:29:27,105 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:27,106 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:29:27,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:27,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:27,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:27,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:27,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2018-01-21 03:29:27,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:27,107 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:27,107 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 03:29:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:27,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:27,108 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:27,109 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:27,109 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:27,109 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:27,109 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:27,109 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:27,109 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:27,109 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_putErr0EnsuresViolation======== [2018-01-21 03:29:27,109 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:27,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-01-21 03:29:27,112 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:27,112 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:27,112 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-21 03:29:27,112 INFO L82 PathProgramCache]: Analyzing trace with hash 110305815, now seen corresponding path program 1 times [2018-01-21 03:29:27,112 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:27,113 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,113 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:27,113 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,113 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:27,125 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:27,226 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:27,226 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 03:29:27,226 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:27,227 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 03:29:27,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 03:29:27,227 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 03:29:27,227 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 7 states. [2018-01-21 03:29:27,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:27,281 INFO L93 Difference]: Finished difference Result 211 states and 223 transitions. [2018-01-21 03:29:27,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 03:29:27,282 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2018-01-21 03:29:27,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:27,283 INFO L225 Difference]: With dead ends: 211 [2018-01-21 03:29:27,283 INFO L226 Difference]: Without dead ends: 109 [2018-01-21 03:29:27,284 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 03:29:27,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-01-21 03:29:27,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-01-21 03:29:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-01-21 03:29:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 115 transitions. [2018-01-21 03:29:27,291 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 115 transitions. Word has length 47 [2018-01-21 03:29:27,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:27,292 INFO L432 AbstractCegarLoop]: Abstraction has 109 states and 115 transitions. [2018-01-21 03:29:27,292 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 03:29:27,292 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 115 transitions. [2018-01-21 03:29:27,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-01-21 03:29:27,293 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:27,293 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:27,293 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-21 03:29:27,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1931708456, now seen corresponding path program 1 times [2018-01-21 03:29:27,293 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:27,294 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,295 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:27,295 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,295 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:27,305 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:27,397 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:27,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:29:27,397 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:27,398 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:29:27,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:29:27,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:27,398 INFO L87 Difference]: Start difference. First operand 109 states and 115 transitions. Second operand 5 states. [2018-01-21 03:29:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:27,436 INFO L93 Difference]: Finished difference Result 204 states and 215 transitions. [2018-01-21 03:29:27,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:29:27,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2018-01-21 03:29:27,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:27,438 INFO L225 Difference]: With dead ends: 204 [2018-01-21 03:29:27,438 INFO L226 Difference]: Without dead ends: 109 [2018-01-21 03:29:27,439 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:27,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-01-21 03:29:27,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-01-21 03:29:27,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-01-21 03:29:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 114 transitions. [2018-01-21 03:29:27,445 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 114 transitions. Word has length 59 [2018-01-21 03:29:27,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:27,445 INFO L432 AbstractCegarLoop]: Abstraction has 109 states and 114 transitions. [2018-01-21 03:29:27,445 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:29:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 114 transitions. [2018-01-21 03:29:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-01-21 03:29:27,446 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:27,446 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:27,446 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-21 03:29:27,446 INFO L82 PathProgramCache]: Analyzing trace with hash -145095350, now seen corresponding path program 1 times [2018-01-21 03:29:27,446 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:27,447 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,447 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:27,447 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,447 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:27,454 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:27,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:27,503 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:27,503 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 03:29:27,503 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:27,503 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 03:29:27,503 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 03:29:27,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:29:27,503 INFO L87 Difference]: Start difference. First operand 109 states and 114 transitions. Second operand 4 states. [2018-01-21 03:29:27,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:27,590 INFO L93 Difference]: Finished difference Result 109 states and 114 transitions. [2018-01-21 03:29:27,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 03:29:27,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-01-21 03:29:27,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:27,590 INFO L225 Difference]: With dead ends: 109 [2018-01-21 03:29:27,590 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:27,591 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:29:27,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:27,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:27,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-01-21 03:29:27,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:27,592 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:27,592 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 03:29:27,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:27,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:27,593 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:27,593 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:27,593 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:27,593 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:27,593 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:27,593 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:27,593 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:27,593 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_getErr0EnsuresViolation======== [2018-01-21 03:29:27,594 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:27,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-21 03:29:27,595 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:27,595 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:27,595 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_getErr0EnsuresViolation]=== [2018-01-21 03:29:27,595 INFO L82 PathProgramCache]: Analyzing trace with hash 695817678, now seen corresponding path program 1 times [2018-01-21 03:29:27,595 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:27,596 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,596 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:27,597 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,597 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:27,601 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:27,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:27,608 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:27,608 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 03:29:27,609 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:27,609 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 03:29:27,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 03:29:27,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:29:27,609 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2018-01-21 03:29:27,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:27,614 INFO L93 Difference]: Finished difference Result 138 states and 146 transitions. [2018-01-21 03:29:27,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 03:29:27,614 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-01-21 03:29:27,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:27,614 INFO L225 Difference]: With dead ends: 138 [2018-01-21 03:29:27,614 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:27,615 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:29:27,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:27,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:27,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:27,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-01-21 03:29:27,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:27,616 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:27,616 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 03:29:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:27,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:27,618 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:27,618 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:27,618 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:27,618 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:27,618 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:27,618 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:27,618 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:27,618 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 03:29:27,618 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:27,620 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:27,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-21 03:29:27,620 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:27,621 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:27,621 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:29:27,621 INFO L82 PathProgramCache]: Analyzing trace with hash -189776267, now seen corresponding path program 1 times [2018-01-21 03:29:27,621 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:27,622 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,622 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:27,622 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,622 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:29:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:29:27,639 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 03:29:27,642 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:29:27,643 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:29:27,644 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:29:27,645 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:29:27,646 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:29:27,646 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:29:27,646 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:29:27,647 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:29:27,651 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:27,651 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:27,651 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:27,651 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:27,651 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:27,651 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:27,651 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:27,651 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-21 03:29:27,651 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 03:29:27,653 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:27,653 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:27,653 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-21 03:29:27,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1707874768, now seen corresponding path program 1 times [2018-01-21 03:29:27,653 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:27,654 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,654 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:27,654 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,654 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:27,659 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:27,684 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:27,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:29:27,685 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:27,685 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:29:27,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:29:27,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:29:27,685 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 3 states. [2018-01-21 03:29:27,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:27,958 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2018-01-21 03:29:27,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:29:27,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-01-21 03:29:27,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:27,959 INFO L225 Difference]: With dead ends: 140 [2018-01-21 03:29:27,959 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:27,960 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:29:27,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:27,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:27,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:27,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 03:29:27,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:27,961 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:27,961 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:29:27,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:27,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:27,962 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:29:27,962 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:29:27,963 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:29:27,963 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:29:27,963 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:29:27,963 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:29:27,963 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:29:27,963 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_init_internalErr0EnsuresViolation======== [2018-01-21 03:29:27,963 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:29:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-01-21 03:29:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 03:29:27,965 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:29:27,965 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:29:27,965 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_init_internalErr0EnsuresViolation]=== [2018-01-21 03:29:27,965 INFO L82 PathProgramCache]: Analyzing trace with hash -628240816, now seen corresponding path program 1 times [2018-01-21 03:29:27,966 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:29:27,967 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,967 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:29:27,967 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:29:27,967 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:29:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:29:27,973 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:29:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:29:28,045 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:29:28,045 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:29:28,045 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:29:28,045 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:29:28,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:29:28,045 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:28,045 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 5 states. [2018-01-21 03:29:28,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:29:28,099 INFO L93 Difference]: Finished difference Result 256 states and 279 transitions. [2018-01-21 03:29:28,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:29:28,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-01-21 03:29:28,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:29:28,099 INFO L225 Difference]: With dead ends: 256 [2018-01-21 03:29:28,099 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:29:28,100 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:29:28,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:29:28,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:29:28,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:29:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:29:28,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 03:29:28,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:29:28,101 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:29:28,101 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:29:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:29:28,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:29:28,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 03:29:28 BoogieIcfgContainer [2018-01-21 03:29:28,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 03:29:28,104 INFO L168 Benchmark]: Toolchain (without parser) took 6739.47 ms. Allocated memory was 302.0 MB in the beginning and 553.1 MB in the end (delta: 251.1 MB). Free memory was 259.1 MB in the beginning and 410.3 MB in the end (delta: -151.1 MB). Peak memory consumption was 100.0 MB. Max. memory is 5.3 GB. [2018-01-21 03:29:28,105 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 302.0 MB. Free memory is still 266.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 03:29:28,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.73 ms. Allocated memory is still 302.0 MB. Free memory was 259.1 MB in the beginning and 244.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 5.3 GB. [2018-01-21 03:29:28,106 INFO L168 Benchmark]: Boogie Preprocessor took 48.72 ms. Allocated memory is still 302.0 MB. Free memory was 244.9 MB in the beginning and 242.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 03:29:28,106 INFO L168 Benchmark]: RCFGBuilder took 466.16 ms. Allocated memory is still 302.0 MB. Free memory was 242.9 MB in the beginning and 209.9 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 5.3 GB. [2018-01-21 03:29:28,106 INFO L168 Benchmark]: TraceAbstraction took 5961.38 ms. Allocated memory was 302.0 MB in the beginning and 553.1 MB in the end (delta: 251.1 MB). Free memory was 208.9 MB in the beginning and 410.3 MB in the end (delta: -201.3 MB). Peak memory consumption was 49.8 MB. Max. memory is 5.3 GB. [2018-01-21 03:29:28,108 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 302.0 MB. Free memory is still 266.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 255.73 ms. Allocated memory is still 302.0 MB. Free memory was 259.1 MB in the beginning and 244.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 48.72 ms. Allocated memory is still 302.0 MB. Free memory was 244.9 MB in the beginning and 242.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 466.16 ms. Allocated memory is still 302.0 MB. Free memory was 242.9 MB in the beginning and 209.9 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5961.38 ms. Allocated memory was 302.0 MB in the beginning and 553.1 MB in the end (delta: 251.1 MB). Free memory was 208.9 MB in the beginning and 410.3 MB in the end (delta: -201.3 MB). Peak memory consumption was 49.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1292]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_initErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 136 SDtfs, 4 SDslu, 403 SDs, 0 SdLazy, 11 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 69 PreInvPairs, 73 NumberOfFragments, 41 HoareAnnotationTreeSize, 69 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 1705 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1404]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_createErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 SDtfs, 70 SDslu, 3 SDs, 0 SdLazy, 40 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 87 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1276]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_subErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 259 SDtfs, 14 SDslu, 1008 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 84 PreInvPairs, 86 NumberOfFragments, 75 HoareAnnotationTreeSize, 84 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 12191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1253]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_atomic_add_returnErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 41 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1348]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_releaseErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 253 SDtfs, 14 SDslu, 990 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 84 PreInvPairs, 86 NumberOfFragments, 75 HoareAnnotationTreeSize, 84 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 17351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1336]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_cleanupErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 251 SDtfs, 14 SDslu, 984 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 84 PreInvPairs, 86 NumberOfFragments, 75 HoareAnnotationTreeSize, 84 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 16431 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1443]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 SDtfs, 62 SDslu, 3 SDs, 0 SdLazy, 40 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 87 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 2673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1097]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: LDV_INIT_LIST_HEADErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 136 SDtfs, 4 SDslu, 403 SDs, 0 SdLazy, 11 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 69 PreInvPairs, 73 NumberOfFragments, 41 HoareAnnotationTreeSize, 69 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 2257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1301]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_getErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 41 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1359]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_putErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 SDtfs, 74 SDslu, 3 SDs, 0 SdLazy, 40 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 87 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 1015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1390]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_initErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 136 SDtfs, 4 SDslu, 403 SDs, 0 SdLazy, 11 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 69 PreInvPairs, 73 NumberOfFragments, 41 HoareAnnotationTreeSize, 69 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1072]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1444] CALL entry_point() [L1436] struct ldv_kobject *kobj; [L1437] CALL ldv_kobject_create() [L1406] struct ldv_kobject *kobj; [L1408] CALL ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) VAL [\old(size)=16, malloc(size)={18:0}, size=16] [L1074] return malloc(size); VAL [\old(size)=16, \result={18:0}, malloc(size)={18:0}, size=16] - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_mallocErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 SDtfs, 74 SDslu, 3 SDs, 0 SdLazy, 40 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1262]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_atomic_sub_returnErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1521 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1282]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 255 SDtfs, 14 SDslu, 996 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 18295 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1311]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_putErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 262 SDtfs, 14 SDslu, 1017 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 13400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1371]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_getErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1444] CALL entry_point() [L1436] struct ldv_kobject *kobj; [L1437] CALL, EXPR ldv_kobject_create() [L1406] struct ldv_kobject *kobj; [L1408] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] RET return 0; VAL [\old(size)=16, \result={0:0}, size=16] [L1408] EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_malloc(sizeof(*kobj))={0:0}] [L1408] kobj = ldv_malloc(sizeof(*kobj)) [L1409] COND TRUE !kobj [L1410] RET return 0; VAL [\result={0:0}, kobj={0:0}] [L1437] EXPR ldv_kobject_create() VAL [ldv_kobject_create()={0:0}] [L1437] kobj = ldv_kobject_create() [L1438] CALL ldv_kobject_get(kobj) VAL [kobj={0:0}] [L1373] COND FALSE !(\read(*kobj)) VAL [kobj={0:0}, kobj={0:0}] [L1375] RET return kobj; VAL [\result={0:0}, kobj={0:0}, kobj={0:0}] [L1438] ldv_kobject_get(kobj) VAL [kobj={0:0}, ldv_kobject_get(kobj)={0:0}] [L1440] CALL ldv_kobject_put(kobj) VAL [kobj={0:0}] [L1361] COND FALSE !(\read(*kobj)) VAL [kobj={0:0}, kobj={0:0}] [L1440] FCALL ldv_kobject_put(kobj) - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1435]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: entry_pointErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 SDtfs, 63 SDslu, 3 SDs, 0 SdLazy, 40 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 2263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1378]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_init_internalErr0EnsuresViolation CFG has 21 procedures, 138 locations, 20 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 136 SDtfs, 4 SDslu, 403 SDs, 0 SdLazy, 11 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1396]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-15-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-16-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-17-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-18-2018-01-21_03-29-28-124.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-19-2018-01-21_03-29-28-124.csv Received shutdown request...