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_smtcomp.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_3_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 10:39:21,916 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 10:39:21,919 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 10:39:21,931 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 10:39:21,931 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 10:39:21,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 10:39:21,933 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 10:39:21,935 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 10:39:21,937 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 10:39:21,937 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 10:39:21,938 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 10:39:21,939 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 10:39:21,940 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 10:39:21,941 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 10:39:21,942 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 10:39:21,944 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 10:39:21,946 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 10:39:21,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 10:39:21,949 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 10:39:21,950 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 10:39:21,952 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 10:39:21,956 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 10:39:21,957 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 10:39:21,957 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_smtcomp.epf [2018-01-21 10:39:21,966 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 10:39:21,966 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 10:39:21,967 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 10:39:21,967 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 10:39:21,968 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 10:39:21,968 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 10:39:21,968 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 10:39:21,968 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 10:39:21,969 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 10:39:21,969 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 10:39:21,969 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 10:39:21,969 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 10:39:21,970 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 10:39:21,970 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 10:39:21,970 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 10:39:21,970 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 10:39:21,970 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 10:39:21,971 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 10:39:21,971 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 10:39:21,971 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 10:39:21,971 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 10:39:21,971 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 10:39:21,972 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 10:39:21,972 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 10:39:21,972 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 10:39:21,972 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 10:39:21,973 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 10:39:21,973 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 10:39:21,973 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 10:39:21,973 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 10:39:21,973 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 10:39:21,974 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 10:39:21,974 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 10:39:21,974 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 10:39:21,974 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 10:39:21,974 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 10:39:21,975 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 10:39:21,975 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 10:39:21,976 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 10:39:22,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 10:39:22,023 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 10:39:22,027 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 10:39:22,028 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 10:39:22,028 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 10:39:22,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_3_false-valid-deref.i [2018-01-21 10:39:22,245 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 10:39:22,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 10:39:22,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 10:39:22,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 10:39:22,256 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 10:39:22,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:39:22" (1/1) ... [2018-01-21 10:39:22,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a855a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:39:22, skipping insertion in model container [2018-01-21 10:39:22,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:39:22" (1/1) ... [2018-01-21 10:39:22,274 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:39:22,319 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:39:22,442 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:39:22,469 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:39:22,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:39:22 WrapperNode [2018-01-21 10:39:22,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 10:39:22,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 10:39:22,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 10:39:22,482 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 10:39:22,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:39:22" (1/1) ... [2018-01-21 10:39:22,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:39:22" (1/1) ... [2018-01-21 10:39:22,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:39:22" (1/1) ... [2018-01-21 10:39:22,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:39:22" (1/1) ... [2018-01-21 10:39:22,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:39:22" (1/1) ... [2018-01-21 10:39:22,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:39:22" (1/1) ... [2018-01-21 10:39:22,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:39:22" (1/1) ... [2018-01-21 10:39:22,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 10:39:22,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 10:39:22,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 10:39:22,525 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 10:39:22,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:39:22" (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 10:39:22,576 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 10:39:22,576 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 10:39:22,576 INFO L136 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-01-21 10:39:22,576 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 10:39:22,576 INFO L136 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-01-21 10:39:22,576 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-01-21 10:39:22,577 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-01-21 10:39:22,577 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-01-21 10:39:22,577 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-01-21 10:39:22,577 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-01-21 10:39:22,577 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-01-21 10:39:22,577 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-01-21 10:39:22,577 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-01-21 10:39:22,577 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-01-21 10:39:22,577 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-01-21 10:39:22,577 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 10:39:22,577 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 10:39:22,578 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 10:39:22,578 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 10:39:22,578 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 10:39:22,578 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 10:39:22,578 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 10:39:22,578 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 10:39:22,578 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 10:39:22,578 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-21 10:39:22,578 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-21 10:39:22,579 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 10:39:22,579 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 10:39:22,579 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 10:39:22,579 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-21 10:39:22,579 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 10:39:22,579 INFO L128 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-01-21 10:39:22,579 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-01-21 10:39:22,579 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-01-21 10:39:22,579 INFO L128 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-01-21 10:39:22,579 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-01-21 10:39:22,579 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-01-21 10:39:22,580 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-01-21 10:39:22,580 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-01-21 10:39:22,580 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-01-21 10:39:22,580 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-01-21 10:39:22,580 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-01-21 10:39:22,580 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-01-21 10:39:22,580 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 10:39:22,580 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 10:39:22,580 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 10:39:22,580 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 10:39:23,000 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 10:39:23,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:39:23 BoogieIcfgContainer [2018-01-21 10:39:23,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 10:39:23,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 10:39:23,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 10:39:23,005 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 10:39:23,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 10:39:22" (1/3) ... [2018-01-21 10:39:23,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdeb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:39:23, skipping insertion in model container [2018-01-21 10:39:23,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:39:22" (2/3) ... [2018-01-21 10:39:23,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cdeb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:39:23, skipping insertion in model container [2018-01-21 10:39:23,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:39:23" (3/3) ... [2018-01-21 10:39:23,010 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test22_3_false-valid-deref.i [2018-01-21 10:39:23,020 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 10:39:23,029 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-01-21 10:39:23,074 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:23,074 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:23,074 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:23,074 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:23,075 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:23,075 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:23,075 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:23,075 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_initErr0EnsuresViolation======== [2018-01-21 10:39:23,076 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:23,095 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 10:39:23,102 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:23,103 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 10:39:23,104 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0EnsuresViolation]=== [2018-01-21 10:39:23,107 INFO L82 PathProgramCache]: Analyzing trace with hash 459385429, now seen corresponding path program 1 times [2018-01-21 10:39:23,109 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:23,156 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:23,156 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:23,156 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:23,157 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:23,220 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:23,452 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 10:39:23,455 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:23,455 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:39:23,455 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:23,459 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 10:39:23,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 10:39:23,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:39:23,477 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 5 states. [2018-01-21 10:39:23,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:23,551 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2018-01-21 10:39:23,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:39:23,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-21 10:39:23,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:23,560 INFO L225 Difference]: With dead ends: 215 [2018-01-21 10:39:23,560 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:23,566 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 10:39:23,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:23,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:23,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:23,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 10:39:23,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:23,588 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:23,588 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 10:39:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:23,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:23,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:39:23,648 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:23,648 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:23,648 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:23,648 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 10:39:23,648 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 10:39:23,648 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 10:39:23,649 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:23,649 INFO L404 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: true [2018-01-21 10:39:23,649 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 10:39:23,649 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 10:39:23,649 INFO L404 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: true [2018-01-21 10:39:23,649 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: true [2018-01-21 10:39:23,649 INFO L404 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: true [2018-01-21 10:39:23,650 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:23,650 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 10:39:23,650 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:23,650 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:39:23,650 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:39:23,650 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:23,650 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:23,650 INFO L404 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: true [2018-01-21 10:39:23,651 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:23,651 INFO L404 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: true [2018-01-21 10:39:23,651 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:23,651 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 10:39:23,651 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:23,651 INFO L404 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: true [2018-01-21 10:39:23,651 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 10:39:23,652 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:23,652 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:23,652 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: true [2018-01-21 10:39:23,652 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:23,652 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:23,652 INFO L404 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: true [2018-01-21 10:39:23,652 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:23,652 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 10:39:23,652 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:23,653 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 10:39:23,653 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: true [2018-01-21 10:39:23,653 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:23,653 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:23,653 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:23,653 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:23,653 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: true [2018-01-21 10:39:23,654 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,654 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,654 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,654 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 10:39:23,654 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:23,654 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:23,654 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:23,654 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:23,654 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:23,654 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:23,655 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 10:39:23,655 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:23,655 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: true [2018-01-21 10:39:23,655 INFO L404 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: true [2018-01-21 10:39:23,655 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:23,655 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:23,655 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 10:39:23,655 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:23,656 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 10:39:23,656 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 10:39:23,656 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 10:39:23,656 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:23,656 INFO L404 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: true [2018-01-21 10:39:23,656 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 10:39:23,656 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:23,656 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:23,656 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:23,656 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:23,656 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:23,656 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,657 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,657 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:23,657 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,657 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:23,657 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:23,657 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 10:39:23,657 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:23,657 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:23,657 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:23,657 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:23,657 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:23,657 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:39:23,657 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:23,658 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:23,658 INFO L404 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:39:23,658 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:23,658 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:23,658 INFO L404 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: true [2018-01-21 10:39:23,658 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:23,658 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 10:39:23,658 INFO L404 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: true [2018-01-21 10:39:23,658 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:23,658 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:23,659 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,659 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:23,659 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,659 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,659 INFO L404 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: true [2018-01-21 10:39:23,659 INFO L404 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: true [2018-01-21 10:39:23,659 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:23,659 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 10:39:23,659 INFO L404 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: true [2018-01-21 10:39:23,659 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:23,660 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:23,660 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 10:39:23,660 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 10:39:23,660 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 10:39:23,660 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:23,660 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 10:39:23,660 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:23,660 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:23,661 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 10:39:23,665 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:23,665 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:23,665 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:23,665 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:23,665 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:23,666 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:23,666 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:23,666 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_createErr0EnsuresViolation======== [2018-01-21 10:39:23,666 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:23,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-21 10:39:23,670 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:23,670 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 10:39:23,671 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_createErr0EnsuresViolation]=== [2018-01-21 10:39:23,671 INFO L82 PathProgramCache]: Analyzing trace with hash 442275118, now seen corresponding path program 1 times [2018-01-21 10:39:23,671 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:23,673 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:23,673 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:23,673 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:23,673 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:23,692 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:23,725 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 10:39:23,725 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:23,725 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:39:23,726 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:23,726 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 10:39:23,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 10:39:23,726 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:39:23,727 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 10:39:23,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:23,917 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 10:39:23,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 10:39:23,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-01-21 10:39:23,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:23,918 INFO L225 Difference]: With dead ends: 118 [2018-01-21 10:39:23,918 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:23,919 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 10:39:23,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:23,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:23,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:23,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-21 10:39:23,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:23,920 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:23,920 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 10:39:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:23,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:23,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:39:23,991 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:23,991 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:23,992 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:23,992 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 10:39:23,992 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 10:39:23,992 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 10:39:23,992 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:23,992 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,992 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 10:39:23,993 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 10:39:23,993 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,993 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,993 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,993 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:23,993 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 10:39:23,993 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:23,993 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:39:23,994 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:39:23,994 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:23,994 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:23,994 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,994 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:23,994 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,994 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:23,995 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 10:39:23,995 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:23,995 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,995 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 10:39:23,995 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:23,995 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:23,995 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,995 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:23,996 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:23,996 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,996 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:23,996 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 10:39:23,996 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:23,996 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 10:39:23,996 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,996 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:23,997 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:23,997 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:23,997 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:23,997 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,997 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,997 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,997 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:23,997 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 10:39:23,997 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:23,998 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:23,998 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:23,998 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:23,998 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:23,998 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:23,998 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 10:39:23,998 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:23,998 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,999 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:23,999 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:23,999 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:23,999 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 10:39:23,999 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:23,999 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 10:39:23,999 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 10:39:23,999 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 10:39:24,000 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:24,000 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,000 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 10:39:24,000 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:24,000 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:24,000 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:24,000 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:24,000 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:24,001 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,001 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,001 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,001 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,001 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:24,001 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:24,001 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 10:39:24,001 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:24,002 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:24,002 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:24,002 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:24,002 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:24,002 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,002 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:24,002 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:24,002 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,003 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:24,003 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:24,003 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,003 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:24,003 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 10:39:24,003 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,003 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:24,003 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:24,004 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,004 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:24,004 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,004 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,004 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,004 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,004 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:24,004 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,005 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,005 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:24,005 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:24,005 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 10:39:24,005 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 10:39:24,005 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 10:39:24,005 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:24,005 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 10:39:24,006 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:24,006 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:24,006 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 10:39:24,008 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:24,008 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:24,009 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:24,009 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:24,009 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:24,009 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:24,009 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:24,009 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_subErr0EnsuresViolation======== [2018-01-21 10:39:24,009 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:24,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-21 10:39:24,014 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:24,014 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] [2018-01-21 10:39:24,015 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-21 10:39:24,015 INFO L82 PathProgramCache]: Analyzing trace with hash 987435376, now seen corresponding path program 1 times [2018-01-21 10:39:24,015 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:24,017 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:24,017 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:24,017 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:24,017 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:24,052 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:24,094 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 10:39:24,094 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:24,094 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:39:24,094 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:24,094 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 10:39:24,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 10:39:24,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:39:24,095 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 10:39:24,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:24,270 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 10:39:24,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 10:39:24,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-01-21 10:39:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:24,272 INFO L225 Difference]: With dead ends: 118 [2018-01-21 10:39:24,272 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:24,273 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 10:39:24,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:24,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:24,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:24,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:24,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-01-21 10:39:24,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:24,274 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:24,274 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 10:39:24,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:24,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:24,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:39:24,353 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:24,353 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:24,353 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:24,353 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 10:39:24,353 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 10:39:24,354 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 10:39:24,354 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:24,354 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,354 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 10:39:24,354 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 10:39:24,354 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,354 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,354 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,354 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:24,354 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 10:39:24,354 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:24,355 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:39:24,355 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:39:24,355 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:24,355 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:24,355 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,355 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:24,355 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,355 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:24,355 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 10:39:24,355 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:24,355 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,356 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 10:39:24,356 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:24,356 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:24,356 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,356 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:24,356 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:24,356 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,357 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:24,357 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 10:39:24,357 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:24,357 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 10:39:24,357 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,357 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:24,357 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:24,357 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:24,357 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:24,358 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,358 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,358 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,358 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,358 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 10:39:24,358 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:24,358 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:24,358 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:24,359 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:24,359 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:24,359 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:24,359 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 10:39:24,359 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:24,359 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,359 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,359 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:24,359 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:24,359 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 10:39:24,359 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:24,359 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 10:39:24,359 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 10:39:24,360 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 10:39:24,360 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:24,360 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,360 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 10:39:24,360 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:24,360 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:24,360 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:24,360 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:24,360 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:24,360 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,360 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,361 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,361 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,361 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:24,361 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:24,361 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 10:39:24,361 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:24,361 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:24,361 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:24,361 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:24,361 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:24,361 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,361 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:24,361 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:24,361 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,361 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:24,362 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:24,362 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,362 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:24,362 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 10:39:24,362 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,362 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:24,362 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:24,362 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,363 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:24,363 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,363 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:24,363 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,363 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,363 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:24,363 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,364 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:24,364 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:24,364 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:24,364 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 10:39:24,364 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 10:39:24,364 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 10:39:24,364 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:24,364 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 10:39:24,364 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:24,364 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:24,365 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 10:39:24,366 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:24,367 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:24,367 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:24,367 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:24,367 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:24,367 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:24,367 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:24,367 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_releaseErr0EnsuresViolation======== [2018-01-21 10:39:24,367 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 10:39:24,372 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:24,372 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] [2018-01-21 10:39:24,372 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 10:39:24,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1441534975, now seen corresponding path program 1 times [2018-01-21 10:39:24,372 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:24,373 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:24,374 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:24,374 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:24,374 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:24,404 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:24,533 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 10:39:24,533 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:24,533 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 10:39:24,533 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:24,534 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 10:39:24,534 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 10:39:24,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 10:39:24,535 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 7 states. [2018-01-21 10:39:24,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:24,630 INFO L93 Difference]: Finished difference Result 191 states and 207 transitions. [2018-01-21 10:39:24,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 10:39:24,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2018-01-21 10:39:24,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:24,637 INFO L225 Difference]: With dead ends: 191 [2018-01-21 10:39:24,638 INFO L226 Difference]: Without dead ends: 96 [2018-01-21 10:39:24,639 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 10:39:24,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-01-21 10:39:24,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2018-01-21 10:39:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 10:39:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 101 transitions. [2018-01-21 10:39:24,663 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 101 transitions. Word has length 49 [2018-01-21 10:39:24,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:24,664 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 101 transitions. [2018-01-21 10:39:24,664 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 10:39:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2018-01-21 10:39:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-01-21 10:39:24,666 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:24,667 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 10:39:24,667 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 10:39:24,667 INFO L82 PathProgramCache]: Analyzing trace with hash 395500925, now seen corresponding path program 1 times [2018-01-21 10:39:24,667 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:24,669 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:24,669 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:24,669 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:24,669 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:24,683 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:24,784 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 10:39:24,784 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:24,785 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:39:24,785 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:24,786 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 10:39:24,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 10:39:24,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:39:24,787 INFO L87 Difference]: Start difference. First operand 94 states and 101 transitions. Second operand 5 states. [2018-01-21 10:39:24,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:24,821 INFO L93 Difference]: Finished difference Result 174 states and 187 transitions. [2018-01-21 10:39:24,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:39:24,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2018-01-21 10:39:24,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:24,823 INFO L225 Difference]: With dead ends: 174 [2018-01-21 10:39:24,823 INFO L226 Difference]: Without dead ends: 94 [2018-01-21 10:39:24,824 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 10:39:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-01-21 10:39:24,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-01-21 10:39:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 10:39:24,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2018-01-21 10:39:24,834 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 61 [2018-01-21 10:39:24,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:24,835 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2018-01-21 10:39:24,835 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 10:39:24,835 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2018-01-21 10:39:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-01-21 10:39:24,837 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:24,837 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] [2018-01-21 10:39:24,837 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 10:39:24,838 INFO L82 PathProgramCache]: Analyzing trace with hash 906609023, now seen corresponding path program 1 times [2018-01-21 10:39:24,838 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:24,839 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:24,839 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:24,839 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:24,839 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:24,853 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:24,916 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 10:39:24,916 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:24,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 10:39:24,916 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:24,916 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 10:39:24,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 10:39:24,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 10:39:24,917 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 4 states. [2018-01-21 10:39:24,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:24,964 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2018-01-21 10:39:24,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 10:39:24,965 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-01-21 10:39:24,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:24,966 INFO L225 Difference]: With dead ends: 94 [2018-01-21 10:39:24,966 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:24,966 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 10:39:24,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:24,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:24,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:24,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:24,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-01-21 10:39:24,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:24,967 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:24,967 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 10:39:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:24,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:24,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:39:25,067 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:25,067 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:25,067 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:25,067 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 10:39:25,068 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 10:39:25,068 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 10:39:25,068 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:25,068 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 10:39:25,068 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 10:39:25,068 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 10:39:25,068 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,068 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,068 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 10:39:25,068 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:25,068 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 10:39:25,068 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:25,069 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:39:25,069 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:39:25,069 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,069 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,069 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,069 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:25,069 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,069 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:25,069 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 10:39:25,069 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:25,069 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,069 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 10:39:25,069 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:25,069 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:25,069 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,069 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:25,070 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:25,070 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,070 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:25,070 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 10:39:25,070 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:25,070 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 10:39:25,070 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,070 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:25,070 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:25,070 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:25,070 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:25,070 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,070 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,070 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 10:39:25,071 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,071 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 10:39:25,071 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:25,071 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 10:39:25,072 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:25,072 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 10:39:25,072 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 10:39:25,072 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 10:39:25,072 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:25,072 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,072 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 10:39:25,072 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:25,072 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:25,072 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:25,072 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:25,072 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:25,072 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,072 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,072 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,073 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,073 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:25,073 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:25,073 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 10:39:25,073 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:25,073 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:25,073 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:25,073 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:25,073 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:25,073 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,073 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,074 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,074 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,074 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:25,074 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:25,074 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,074 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:25,074 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 10:39:25,074 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,074 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:25,075 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:25,075 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,075 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:25,075 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,075 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,075 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:25,075 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,075 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:25,075 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,076 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:25,076 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:25,076 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:25,076 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 10:39:25,076 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 10:39:25,076 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 10:39:25,076 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:25,076 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 10:39:25,076 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:25,077 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:25,077 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 10:39:25,078 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:25,078 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:25,079 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:25,079 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:25,079 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:25,079 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:25,079 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:25,079 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_cleanupErr0EnsuresViolation======== [2018-01-21 10:39:25,079 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:25,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-01-21 10:39:25,082 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:25,082 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] [2018-01-21 10:39:25,082 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 10:39:25,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1075593735, now seen corresponding path program 1 times [2018-01-21 10:39:25,083 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:25,084 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:25,084 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:25,084 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:25,085 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:25,104 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:25,187 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 10:39:25,188 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:25,188 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 10:39:25,188 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:25,188 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 10:39:25,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 10:39:25,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 10:39:25,189 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 7 states. [2018-01-21 10:39:25,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:25,306 INFO L93 Difference]: Finished difference Result 191 states and 207 transitions. [2018-01-21 10:39:25,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 10:39:25,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2018-01-21 10:39:25,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:25,308 INFO L225 Difference]: With dead ends: 191 [2018-01-21 10:39:25,308 INFO L226 Difference]: Without dead ends: 96 [2018-01-21 10:39:25,309 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 10:39:25,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-01-21 10:39:25,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2018-01-21 10:39:25,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 10:39:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 101 transitions. [2018-01-21 10:39:25,319 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 101 transitions. Word has length 47 [2018-01-21 10:39:25,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:25,319 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 101 transitions. [2018-01-21 10:39:25,319 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 10:39:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2018-01-21 10:39:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-01-21 10:39:25,320 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:25,320 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 10:39:25,320 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 10:39:25,321 INFO L82 PathProgramCache]: Analyzing trace with hash 711025283, now seen corresponding path program 1 times [2018-01-21 10:39:25,321 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:25,322 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:25,322 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:25,322 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:25,322 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:25,332 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:25,383 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 10:39:25,383 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:25,384 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:39:25,384 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:25,384 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 10:39:25,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 10:39:25,384 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:39:25,384 INFO L87 Difference]: Start difference. First operand 94 states and 101 transitions. Second operand 5 states. [2018-01-21 10:39:25,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:25,397 INFO L93 Difference]: Finished difference Result 174 states and 187 transitions. [2018-01-21 10:39:25,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:39:25,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2018-01-21 10:39:25,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:25,399 INFO L225 Difference]: With dead ends: 174 [2018-01-21 10:39:25,399 INFO L226 Difference]: Without dead ends: 94 [2018-01-21 10:39:25,399 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 10:39:25,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-01-21 10:39:25,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-01-21 10:39:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 10:39:25,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2018-01-21 10:39:25,405 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 59 [2018-01-21 10:39:25,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:25,406 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2018-01-21 10:39:25,406 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 10:39:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2018-01-21 10:39:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-01-21 10:39:25,407 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:25,407 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 10:39:25,407 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 10:39:25,408 INFO L82 PathProgramCache]: Analyzing trace with hash 434462469, now seen corresponding path program 1 times [2018-01-21 10:39:25,408 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:25,408 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:25,409 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:25,409 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:25,409 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:25,418 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:25,460 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 10:39:25,461 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:25,461 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 10:39:25,461 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:25,461 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 10:39:25,461 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 10:39:25,461 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 10:39:25,462 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 4 states. [2018-01-21 10:39:25,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:25,524 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2018-01-21 10:39:25,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 10:39:25,524 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-01-21 10:39:25,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:25,525 INFO L225 Difference]: With dead ends: 94 [2018-01-21 10:39:25,525 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:25,525 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 10:39:25,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:25,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:25,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:25,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-01-21 10:39:25,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:25,526 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:25,526 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 10:39:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:25,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:25,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:39:25,636 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:25,636 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:25,637 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:25,637 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 10:39:25,637 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 10:39:25,637 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 10:39:25,637 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:25,637 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 10:39:25,637 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 10:39:25,637 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 10:39:25,637 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,637 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,637 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 10:39:25,638 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:25,638 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 10:39:25,638 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:25,638 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:39:25,638 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:39:25,638 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,638 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,638 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,638 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:25,638 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,638 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:25,638 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 10:39:25,638 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:25,639 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,639 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 10:39:25,639 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:25,639 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:25,639 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,639 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:25,639 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:25,645 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,645 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:25,645 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 10:39:25,645 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:25,645 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 10:39:25,645 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,645 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:25,645 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:25,646 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:25,646 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:25,646 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,646 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,646 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,646 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,646 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 10:39:25,646 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:25,646 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:25,646 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:25,646 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:25,646 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:25,646 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:25,647 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 10:39:25,647 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:25,647 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,647 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 10:39:25,647 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:25,647 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:25,647 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 10:39:25,647 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:25,647 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 10:39:25,648 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 10:39:25,648 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 10:39:25,648 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:25,648 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,648 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 10:39:25,648 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:25,648 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:25,648 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:25,648 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:25,648 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:25,649 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,649 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,649 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,649 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,649 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:25,649 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:25,649 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 10:39:25,649 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:25,649 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:25,650 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:25,650 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:25,650 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:25,650 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,650 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,650 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,650 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,650 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:25,650 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:25,650 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,651 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:25,651 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 10:39:25,651 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,651 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:25,651 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:25,651 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,651 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:25,651 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,651 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,652 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:25,652 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,652 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:25,652 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,652 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:25,652 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:25,652 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:25,652 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 10:39:25,652 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 10:39:25,653 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 10:39:25,653 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:25,653 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 10:39:25,653 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:25,653 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:25,653 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 10:39:25,655 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:25,655 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:25,655 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:25,655 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:25,655 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:25,655 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:25,655 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:25,655 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 10:39:25,655 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:25,657 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:25,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 10:39:25,658 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:25,658 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:39:25,659 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 10:39:25,659 INFO L82 PathProgramCache]: Analyzing trace with hash 829352649, now seen corresponding path program 1 times [2018-01-21 10:39:25,659 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:25,660 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:25,660 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:25,661 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:25,661 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:25,670 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-21 10:39:25,706 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:25,706 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:39:25,706 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:25,706 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 10:39:25,706 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 10:39:25,706 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:39:25,707 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 10:39:25,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:25,845 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 10:39:25,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 10:39:25,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-01-21 10:39:25,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:25,846 INFO L225 Difference]: With dead ends: 118 [2018-01-21 10:39:25,846 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:25,846 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 10:39:25,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:25,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:25,847 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 10:39:25,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:25,847 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:25,847 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 10:39:25,847 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:25,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:25,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:39:25,922 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:25,923 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:25,923 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:25,923 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 10:39:25,923 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 10:39:25,923 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 10:39:25,923 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:25,923 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 10:39:25,923 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 10:39:25,923 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 10:39:25,923 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,923 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,923 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 10:39:25,923 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:25,924 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 10:39:25,924 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:25,924 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:39:25,924 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:39:25,924 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,924 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,924 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,924 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:25,924 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,924 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:25,924 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 10:39:25,924 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:25,924 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,924 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 10:39:25,924 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:25,924 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,925 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,926 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,926 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 10:39:25,926 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:25,926 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:25,926 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:25,926 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:25,926 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:25,926 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:25,926 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 10:39:25,926 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:25,926 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,926 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 10:39:25,926 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:25,926 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 10:39:25,927 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 10:39:25,927 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 10:39:25,927 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,927 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,927 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:25,928 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:25,928 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:25,928 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:25,928 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:25,929 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,929 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:25,929 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 10:39:25,929 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,929 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:25,929 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:25,929 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,929 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:25,929 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,929 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:25,929 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:25,929 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,929 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:25,929 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:25,930 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:25,930 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:25,930 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:25,930 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 10:39:25,930 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 10:39:25,930 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 10:39:25,930 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:25,930 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 10:39:25,930 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:25,930 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:25,930 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 10:39:25,931 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:25,931 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:25,931 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:25,931 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:25,931 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:25,931 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:25,932 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:25,932 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == LDV_INIT_LIST_HEADErr0EnsuresViolation======== [2018-01-21 10:39:25,932 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:25,933 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:25,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-21 10:39:25,933 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:25,933 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 10:39:25,933 INFO L371 AbstractCegarLoop]: === Iteration 1 === [LDV_INIT_LIST_HEADErr0EnsuresViolation]=== [2018-01-21 10:39:25,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1778594984, now seen corresponding path program 1 times [2018-01-21 10:39:25,934 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:25,935 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:25,935 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:25,935 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:25,935 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:25,942 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:25,979 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 10:39:25,979 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:25,979 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:39:25,979 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:25,979 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 10:39:25,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 10:39:25,980 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:39:25,980 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 5 states. [2018-01-21 10:39:25,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:25,996 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2018-01-21 10:39:25,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:39:25,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-01-21 10:39:25,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:25,997 INFO L225 Difference]: With dead ends: 215 [2018-01-21 10:39:25,997 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:25,997 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 10:39:25,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:25,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:25,998 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-01-21 10:39:25,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:25,999 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:25,999 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 10:39:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:25,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:25,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:39:26,024 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:26,024 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:26,024 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:26,024 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 10:39:26,024 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 10:39:26,024 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 10:39:26,024 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:26,025 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 10:39:26,025 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 10:39:26,025 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 10:39:26,025 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,025 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,025 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 10:39:26,025 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:26,025 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 10:39:26,025 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:26,025 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:39:26,025 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:39:26,025 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,025 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,025 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,025 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:26,026 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:26,027 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 10:39:26,028 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:26,028 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,028 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 10:39:26,028 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:26,028 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:26,028 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 10:39:26,028 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:26,028 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 10:39:26,028 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 10:39:26,028 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 10:39:26,028 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:26,028 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,028 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 10:39:26,028 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:26,028 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:26,029 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,030 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,030 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,030 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,030 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:26,030 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:26,030 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,030 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:26,030 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 10:39:26,030 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,030 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:26,030 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:26,030 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,030 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:26,030 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,030 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,030 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:26,031 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,031 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:26,031 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,031 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:26,031 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:26,031 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:26,031 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 10:39:26,031 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 10:39:26,031 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 10:39:26,031 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:26,031 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 10:39:26,031 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:26,031 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:26,032 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 10:39:26,033 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:26,033 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:26,033 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:26,033 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:26,034 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:26,034 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:26,034 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:26,034 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_putErr0EnsuresViolation======== [2018-01-21 10:39:26,034 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:26,035 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-21 10:39:26,036 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:26,036 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] [2018-01-21 10:39:26,036 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_putErr0EnsuresViolation]=== [2018-01-21 10:39:26,036 INFO L82 PathProgramCache]: Analyzing trace with hash 721404240, now seen corresponding path program 1 times [2018-01-21 10:39:26,036 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:26,037 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,037 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:26,037 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,038 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:26,044 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:26,054 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 10:39:26,054 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:26,054 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:39:26,054 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:26,055 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 10:39:26,055 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 10:39:26,055 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:39:26,055 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 10:39:26,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:26,133 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 10:39:26,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 10:39:26,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-01-21 10:39:26,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:26,134 INFO L225 Difference]: With dead ends: 118 [2018-01-21 10:39:26,134 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:26,134 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 10:39:26,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:26,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:26,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:26,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:26,135 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-21 10:39:26,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:26,135 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:26,135 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 10:39:26,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:26,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:26,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:39:26,171 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:26,171 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:26,171 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:26,171 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 10:39:26,171 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 10:39:26,171 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 10:39:26,171 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:26,171 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 10:39:26,171 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 10:39:26,171 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 10:39:26,171 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,171 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,171 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 10:39:26,171 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:26,172 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 10:39:26,172 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:26,172 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:39:26,172 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:39:26,172 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,172 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,172 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,172 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:26,172 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,172 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:26,172 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 10:39:26,172 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:26,172 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,172 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 10:39:26,172 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:26,172 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:26,173 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,173 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:26,173 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:26,173 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,173 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:26,173 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 10:39:26,173 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:26,173 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 10:39:26,173 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,173 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:26,173 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:26,173 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:26,173 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:26,173 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,173 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,174 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 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:26,174 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 10:39:26,175 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 10:39:26,175 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 10:39:26,175 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,175 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,175 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:26,176 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,176 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:26,177 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 10:39:26,177 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,177 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:26,177 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:26,177 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,177 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:26,177 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,177 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,177 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:26,177 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,177 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:26,177 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,177 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:26,177 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:26,177 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:26,178 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 10:39:26,178 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 10:39:26,178 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 10:39:26,178 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:26,178 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 10:39:26,178 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:26,178 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:26,178 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 10:39:26,179 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:26,179 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:26,179 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:26,179 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:26,179 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:26,179 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:26,179 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:26,179 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_initErr0EnsuresViolation======== [2018-01-21 10:39:26,179 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 10:39:26,181 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:26,181 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 10:39:26,181 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_initErr0EnsuresViolation]=== [2018-01-21 10:39:26,181 INFO L82 PathProgramCache]: Analyzing trace with hash 768535775, now seen corresponding path program 1 times [2018-01-21 10:39:26,181 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:26,182 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,182 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:26,182 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,182 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:26,187 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:26,211 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 10:39:26,211 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:26,211 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:39:26,211 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:26,211 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 10:39:26,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 10:39:26,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:39:26,212 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 5 states. [2018-01-21 10:39:26,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:26,233 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2018-01-21 10:39:26,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:39:26,234 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-21 10:39:26,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:26,234 INFO L225 Difference]: With dead ends: 215 [2018-01-21 10:39:26,234 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:26,235 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 10:39:26,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:26,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:26,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:26,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:26,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 10:39:26,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:26,235 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:26,235 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 10:39:26,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:26,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:26,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:39:26,260 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:26,260 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:26,260 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 10:39:26,260 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 10:39:26,260 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 10:39:26,260 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 10:39:26,260 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:26,260 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 10:39:26,260 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 10:39:26,260 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 10:39:26,261 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,261 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,261 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 10:39:26,261 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:26,261 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 10:39:26,261 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 10:39:26,261 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:39:26,261 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:39:26,261 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,261 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,261 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,261 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:26,261 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,261 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 10:39:26,262 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,262 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 10:39:26,263 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:26,264 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,264 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 10:39:26,264 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 10:39:26,264 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 10:39:26,264 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 10:39:26,264 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:26,264 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 10:39:26,264 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 10:39:26,264 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 10:39:26,264 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 10:39:26,264 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,264 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 10:39:26,264 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:26,264 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:26,264 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,265 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:39:26,266 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,266 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 10:39:26,266 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:26,266 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,266 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:26,266 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 10:39:26,266 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,266 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 10:39:26,266 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:26,266 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,266 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 10:39:26,266 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,266 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 10:39:26,266 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:26,267 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,267 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:26,267 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:39:26,267 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 10:39:26,267 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:26,267 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 10:39:26,267 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 10:39:26,267 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 10:39:26,267 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 10:39:26,267 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:26,267 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 10:39:26,267 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:26,267 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 10:39:26,267 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 10:39:26,268 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:26,268 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:26,269 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:26,269 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:26,269 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:26,269 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:26,269 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:26,269 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-21 10:39:26,269 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:26,270 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:26,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 10:39:26,270 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:26,270 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:39:26,270 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 10:39:26,271 INFO L82 PathProgramCache]: Analyzing trace with hash 2016473160, now seen corresponding path program 1 times [2018-01-21 10:39:26,271 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:26,272 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,272 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:26,272 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,272 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:26,277 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:26,294 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 10:39:26,294 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:26,294 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:39:26,294 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:26,294 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 10:39:26,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 10:39:26,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:39:26,295 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 10:39:26,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:26,367 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 10:39:26,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 10:39:26,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-01-21 10:39:26,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:26,368 INFO L225 Difference]: With dead ends: 118 [2018-01-21 10:39:26,368 INFO L226 Difference]: Without dead ends: 16 [2018-01-21 10:39:26,369 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 10:39:26,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-01-21 10:39:26,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-01-21 10:39:26,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-01-21 10:39:26,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-01-21 10:39:26,372 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2018-01-21 10:39:26,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:26,372 INFO L432 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-01-21 10:39:26,372 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 10:39:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-01-21 10:39:26,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-21 10:39:26,373 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:26,373 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:39:26,373 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 10:39:26,374 INFO L82 PathProgramCache]: Analyzing trace with hash 800366666, now seen corresponding path program 1 times [2018-01-21 10:39:26,374 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:26,374 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,375 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:26,375 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,375 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:39:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:39:26,406 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:39:26,412 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:39:26,414 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:39:26,423 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:26,423 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:26,423 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:26,423 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:26,423 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:26,423 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:26,423 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:26,424 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 10:39:26,424 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:26,425 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:26,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 10:39:26,426 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:26,426 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 10:39:26,426 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 10:39:26,426 INFO L82 PathProgramCache]: Analyzing trace with hash 188258, now seen corresponding path program 1 times [2018-01-21 10:39:26,426 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:26,427 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,427 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:26,428 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,428 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:39:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:39:26,431 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:39:26,432 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:39:26,434 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:26,434 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:26,434 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:26,434 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:26,434 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:26,435 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:26,435 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:26,435 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_atomic_sub_returnErr0EnsuresViolation======== [2018-01-21 10:39:26,435 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:26,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-01-21 10:39:26,436 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:26,436 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] [2018-01-21 10:39:26,437 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_atomic_sub_returnErr0EnsuresViolation]=== [2018-01-21 10:39:26,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1668516, now seen corresponding path program 1 times [2018-01-21 10:39:26,437 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:26,438 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,438 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:26,438 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,438 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:26,447 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:26,458 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 10:39:26,458 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:26,459 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 10:39:26,459 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:26,459 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:39:26,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:39:26,465 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:39:26,466 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2018-01-21 10:39:26,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:26,469 INFO L93 Difference]: Finished difference Result 116 states and 124 transitions. [2018-01-21 10:39:26,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:39:26,469 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 33 [2018-01-21 10:39:26,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:26,470 INFO L225 Difference]: With dead ends: 116 [2018-01-21 10:39:26,470 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:26,471 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 10:39:26,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:26,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:26,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-01-21 10:39:26,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:26,472 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:26,472 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:39:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:26,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:26,473 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:26,474 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:26,474 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:26,474 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:26,474 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:26,474 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:26,474 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:26,474 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation======== [2018-01-21 10:39:26,474 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-01-21 10:39:26,477 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:26,477 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] [2018-01-21 10:39:26,477 INFO L371 AbstractCegarLoop]: === Iteration 1 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 10:39:26,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1959329120, now seen corresponding path program 1 times [2018-01-21 10:39:26,477 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:26,478 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,478 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:26,478 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,478 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:26,488 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:26,548 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 10:39:26,549 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:26,549 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 10:39:26,549 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:26,549 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 10:39:26,549 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 10:39:26,550 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 10:39:26,550 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 7 states. [2018-01-21 10:39:26,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:26,628 INFO L93 Difference]: Finished difference Result 191 states and 207 transitions. [2018-01-21 10:39:26,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 10:39:26,628 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-01-21 10:39:26,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:26,630 INFO L225 Difference]: With dead ends: 191 [2018-01-21 10:39:26,630 INFO L226 Difference]: Without dead ends: 96 [2018-01-21 10:39:26,630 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 10:39:26,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-01-21 10:39:26,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2018-01-21 10:39:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 10:39:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 101 transitions. [2018-01-21 10:39:26,639 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 101 transitions. Word has length 51 [2018-01-21 10:39:26,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:26,639 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 101 transitions. [2018-01-21 10:39:26,639 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 10:39:26,639 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2018-01-21 10:39:26,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-01-21 10:39:26,640 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:26,641 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] [2018-01-21 10:39:26,641 INFO L371 AbstractCegarLoop]: === Iteration 2 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 10:39:26,641 INFO L82 PathProgramCache]: Analyzing trace with hash 2119270364, now seen corresponding path program 1 times [2018-01-21 10:39:26,641 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:26,642 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,642 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:26,642 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,642 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:26,648 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:26,726 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 10:39:26,727 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:26,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:39:26,727 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:26,727 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 10:39:26,727 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 10:39:26,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:39:26,727 INFO L87 Difference]: Start difference. First operand 94 states and 101 transitions. Second operand 5 states. [2018-01-21 10:39:26,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:26,765 INFO L93 Difference]: Finished difference Result 174 states and 187 transitions. [2018-01-21 10:39:26,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:39:26,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-01-21 10:39:26,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:26,766 INFO L225 Difference]: With dead ends: 174 [2018-01-21 10:39:26,767 INFO L226 Difference]: Without dead ends: 94 [2018-01-21 10:39:26,767 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 10:39:26,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-01-21 10:39:26,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-01-21 10:39:26,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 10:39:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2018-01-21 10:39:26,776 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 63 [2018-01-21 10:39:26,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:26,776 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2018-01-21 10:39:26,776 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 10:39:26,776 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2018-01-21 10:39:26,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-01-21 10:39:26,777 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:26,777 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] [2018-01-21 10:39:26,778 INFO L371 AbstractCegarLoop]: === Iteration 3 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 10:39:26,778 INFO L82 PathProgramCache]: Analyzing trace with hash -627086498, now seen corresponding path program 1 times [2018-01-21 10:39:26,778 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:26,779 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,779 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:26,779 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,779 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:26,786 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:26,811 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 10:39:26,812 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:26,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 10:39:26,812 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:26,812 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 10:39:26,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 10:39:26,813 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 10:39:26,813 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 4 states. [2018-01-21 10:39:26,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:26,843 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2018-01-21 10:39:26,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 10:39:26,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-01-21 10:39:26,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:26,844 INFO L225 Difference]: With dead ends: 94 [2018-01-21 10:39:26,844 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:26,845 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 10:39:26,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:26,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:26,845 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-01-21 10:39:26,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:26,846 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:26,846 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 10:39:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:26,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:26,847 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:26,847 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:26,847 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:26,847 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:26,847 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:26,847 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:26,847 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:26,847 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_putErr0EnsuresViolation======== [2018-01-21 10:39:26,847 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-01-21 10:39:26,849 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:26,849 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 10:39:26,849 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-21 10:39:26,849 INFO L82 PathProgramCache]: Analyzing trace with hash 456403987, now seen corresponding path program 1 times [2018-01-21 10:39:26,849 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:26,850 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,850 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:26,850 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,850 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:26,860 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:26,879 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 10:39:26,880 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:26,880 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:39:26,880 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:26,880 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 10:39:26,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 10:39:26,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:39:26,881 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 10:39:26,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:26,987 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 10:39:26,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 10:39:26,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-01-21 10:39:26,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:26,988 INFO L225 Difference]: With dead ends: 118 [2018-01-21 10:39:26,988 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:26,988 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 10:39:26,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:26,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:26,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2018-01-21 10:39:26,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:26,989 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:26,989 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 10:39:26,989 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:26,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:26,993 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:26,993 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:26,993 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:26,993 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:26,993 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:26,993 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:26,994 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:26,994 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 10:39:26,994 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:26,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-21 10:39:26,996 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:26,996 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:39:26,996 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 10:39:26,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1856017116, now seen corresponding path program 1 times [2018-01-21 10:39:26,997 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:26,998 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,998 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:26,998 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:26,998 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:39:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:39:27,016 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:39:27,019 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:39:27,020 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:39:27,021 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:39:27,021 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:39:27,022 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:39:27,023 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:39:27,023 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:39:27,023 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:39:27,027 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:27,027 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:27,027 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:27,027 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:27,028 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:27,028 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:27,028 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:27,028 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-21 10:39:27,028 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:27,029 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:27,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 10:39:27,030 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:27,030 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:39:27,030 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-21 10:39:27,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1082426051, now seen corresponding path program 1 times [2018-01-21 10:39:27,031 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:27,032 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:27,032 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:27,032 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:27,032 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:27,040 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-21 10:39:27,069 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:27,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:39:27,069 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:27,069 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 10:39:27,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 10:39:27,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:39:27,070 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 10:39:27,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:27,137 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 10:39:27,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 10:39:27,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-01-21 10:39:27,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:27,138 INFO L225 Difference]: With dead ends: 118 [2018-01-21 10:39:27,138 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:27,138 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 10:39:27,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:27,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:27,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:27,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 10:39:27,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:27,139 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:27,139 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 10:39:27,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:27,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:27,140 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:39:27,140 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:39:27,140 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:39:27,140 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:39:27,140 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:39:27,140 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:39:27,141 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:39:27,141 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_init_internalErr0EnsuresViolation======== [2018-01-21 10:39:27,141 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:39:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 10:39:27,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 10:39:27,142 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:39:27,142 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 10:39:27,142 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_init_internalErr0EnsuresViolation]=== [2018-01-21 10:39:27,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1016382922, now seen corresponding path program 1 times [2018-01-21 10:39:27,142 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:39:27,143 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:27,143 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:39:27,143 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:39:27,143 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:39:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:39:27,148 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:39:27,184 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 10:39:27,185 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:39:27,185 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:39:27,185 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:39:27,185 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 10:39:27,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 10:39:27,185 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:39:27,186 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 5 states. [2018-01-21 10:39:27,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:39:27,206 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2018-01-21 10:39:27,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:39:27,207 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-01-21 10:39:27,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:39:27,207 INFO L225 Difference]: With dead ends: 215 [2018-01-21 10:39:27,207 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:39:27,208 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 10:39:27,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:39:27,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:39:27,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:39:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:39:27,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 10:39:27,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:39:27,208 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:39:27,208 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 10:39:27,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:39:27,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:39:27,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 10:39:27 BoogieIcfgContainer [2018-01-21 10:39:27,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 10:39:27,212 INFO L168 Benchmark]: Toolchain (without parser) took 4965.84 ms. Allocated memory was 309.3 MB in the beginning and 522.2 MB in the end (delta: 212.9 MB). Free memory was 266.3 MB in the beginning and 346.9 MB in the end (delta: -80.6 MB). Peak memory consumption was 132.2 MB. Max. memory is 5.3 GB. [2018-01-21 10:39:27,213 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 309.3 MB. Free memory is still 275.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 10:39:27,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.29 ms. Allocated memory is still 309.3 MB. Free memory was 266.3 MB in the beginning and 252.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 5.3 GB. [2018-01-21 10:39:27,214 INFO L168 Benchmark]: Boogie Preprocessor took 42.35 ms. Allocated memory is still 309.3 MB. Free memory was 252.1 MB in the beginning and 250.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:39:27,214 INFO L168 Benchmark]: RCFGBuilder took 477.33 ms. Allocated memory is still 309.3 MB. Free memory was 250.1 MB in the beginning and 220.1 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:39:27,214 INFO L168 Benchmark]: TraceAbstraction took 4208.51 ms. Allocated memory was 309.3 MB in the beginning and 522.2 MB in the end (delta: 212.9 MB). Free memory was 220.1 MB in the beginning and 346.9 MB in the end (delta: -126.8 MB). Peak memory consumption was 86.1 MB. Max. memory is 5.3 GB. [2018-01-21 10:39:27,216 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 309.3 MB. Free memory is still 275.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 230.29 ms. Allocated memory is still 309.3 MB. Free memory was 266.3 MB in the beginning and 252.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.35 ms. Allocated memory is still 309.3 MB. Free memory was 252.1 MB in the beginning and 250.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 477.33 ms. Allocated memory is still 309.3 MB. Free memory was 250.1 MB in the beginning and 220.1 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4208.51 ms. Allocated memory was 309.3 MB in the beginning and 522.2 MB in the end (delta: 212.9 MB). Free memory was 220.1 MB in the beginning and 346.9 MB in the end (delta: -126.8 MB). Peak memory consumption was 86.1 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 117 SDtfs, 4 SDslu, 346 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=116occurred 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, 36 LocationsWithAnnotation, 63 PreInvPairs, 67 NumberOfFragments, 36 HoareAnnotationTreeSize, 63 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 55 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 37 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=116occurred 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, 36 LocationsWithAnnotation, 38 PreInvPairs, 38 NumberOfFragments, 82 HoareAnnotationTreeSize, 38 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 22 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 58 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=116occurred 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, 36 LocationsWithAnnotation, 38 PreInvPairs, 38 NumberOfFragments, 82 HoareAnnotationTreeSize, 38 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1656 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 228 SDtfs, 14 SDslu, 875 SDs, 0 SdLazy, 52 SolverSat, 7 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=116occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 80 PreInvPairs, 82 NumberOfFragments, 70 HoareAnnotationTreeSize, 80 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 13660 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 228 SDtfs, 14 SDslu, 875 SDs, 0 SdLazy, 52 SolverSat, 7 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=116occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 80 PreInvPairs, 82 NumberOfFragments, 70 HoareAnnotationTreeSize, 80 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 12848 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 48 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 36 LocationsWithAnnotation, 38 PreInvPairs, 38 NumberOfFragments, 82 HoareAnnotationTreeSize, 38 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 2635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 117 SDtfs, 4 SDslu, 346 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=116occurred 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, 36 LocationsWithAnnotation, 63 PreInvPairs, 67 NumberOfFragments, 36 HoareAnnotationTreeSize, 63 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 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: 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 59 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 39 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=116occurred 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, 36 LocationsWithAnnotation, 38 PreInvPairs, 38 NumberOfFragments, 82 HoareAnnotationTreeSize, 38 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 616 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 117 SDtfs, 4 SDslu, 346 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=116occurred 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, 36 LocationsWithAnnotation, 63 PreInvPairs, 67 NumberOfFragments, 36 HoareAnnotationTreeSize, 63 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s 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 18 procedures, 116 locations, 17 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 59 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 39 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=116occurred 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 18 procedures, 116 locations, 17 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=116occurred 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 119 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=116occurred 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, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 1024 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 228 SDtfs, 14 SDslu, 875 SDs, 0 SdLazy, 52 SolverSat, 7 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=116occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 14496 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 55 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=116occurred 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, 2301 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_put(kobj) VAL [kobj={0:0}] [L1361] COND FALSE, RET !(\read(*kobj)) VAL [kobj={0:0}, kobj={0:0}] [L1438] ldv_kobject_put(kobj) VAL [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 18 procedures, 116 locations, 17 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 34 NumberOfCodeBlocks, 34 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 49 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=116occurred 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, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 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 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 117 SDtfs, 4 SDslu, 346 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=116occurred 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_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-15-2018-01-21_10-39-27-231.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-16-2018-01-21_10-39-27-231.csv Received shutdown request...