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_imprecise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_3_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 00:57:25,826 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 00:57:25,829 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 00:57:25,843 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 00:57:25,844 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 00:57:25,845 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 00:57:25,846 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 00:57:25,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 00:57:25,850 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 00:57:25,850 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 00:57:25,851 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 00:57:25,851 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 00:57:25,852 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 00:57:25,853 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 00:57:25,854 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 00:57:25,856 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 00:57:25,859 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 00:57:25,861 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 00:57:25,862 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 00:57:25,863 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 00:57:25,866 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 00:57:25,870 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 00:57:25,871 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 00:57:25,871 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_imprecise.epf [2018-01-21 00:57:25,882 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 00:57:25,882 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 00:57:25,883 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 00:57:25,883 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 00:57:25,884 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 00:57:25,884 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-21 00:57:25,884 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 00:57:25,884 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 00:57:25,885 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 00:57:25,885 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 00:57:25,886 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 00:57:25,886 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 00:57:25,886 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 00:57:25,886 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 00:57:25,886 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 00:57:25,887 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 00:57:25,887 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 00:57:25,887 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 00:57:25,887 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 00:57:25,887 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 00:57:25,888 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 00:57:25,888 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 00:57:25,888 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 00:57:25,888 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 00:57:25,888 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 00:57:25,889 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 00:57:25,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 00:57:25,889 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 00:57:25,889 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 00:57:25,889 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 00:57:25,890 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 00:57:25,890 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 00:57:25,890 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 00:57:25,890 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 00:57:25,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 00:57:25,891 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 00:57:25,891 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 00:57:25,892 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 00:57:25,892 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 00:57:25,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 00:57:25,943 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 00:57:25,947 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 00:57:25,949 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 00:57:25,949 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 00:57:25,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_3_true-valid-memsafety_true-termination.i [2018-01-21 00:57:26,161 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 00:57:26,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 00:57:26,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 00:57:26,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 00:57:26,172 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 00:57:26,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 12:57:26" (1/1) ... [2018-01-21 00:57:26,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4b3da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:57:26, skipping insertion in model container [2018-01-21 00:57:26,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 12:57:26" (1/1) ... [2018-01-21 00:57:26,191 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 00:57:26,241 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 00:57:26,380 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 00:57:26,405 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 00:57:26,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:57:26 WrapperNode [2018-01-21 00:57:26,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 00:57:26,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 00:57:26,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 00:57:26,420 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 00:57:26,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:57:26" (1/1) ... [2018-01-21 00:57:26,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:57:26" (1/1) ... [2018-01-21 00:57:26,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:57:26" (1/1) ... [2018-01-21 00:57:26,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:57:26" (1/1) ... [2018-01-21 00:57:26,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:57:26" (1/1) ... [2018-01-21 00:57:26,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:57:26" (1/1) ... [2018-01-21 00:57:26,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:57:26" (1/1) ... [2018-01-21 00:57:26,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 00:57:26,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 00:57:26,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 00:57:26,468 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 00:57:26,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:57:26" (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 00:57:26,514 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 00:57:26,514 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 00:57:26,515 INFO L136 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-01-21 00:57:26,515 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 00:57:26,515 INFO L136 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-01-21 00:57:26,515 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-01-21 00:57:26,515 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-01-21 00:57:26,515 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-01-21 00:57:26,515 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-01-21 00:57:26,516 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-01-21 00:57:26,516 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-01-21 00:57:26,516 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-01-21 00:57:26,516 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-01-21 00:57:26,516 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-01-21 00:57:26,516 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-01-21 00:57:26,517 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-01-21 00:57:26,517 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-01-21 00:57:26,517 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-01-21 00:57:26,517 INFO L136 BoogieDeclarations]: Found implementation of procedure f_22_get [2018-01-21 00:57:26,517 INFO L136 BoogieDeclarations]: Found implementation of procedure f_22_put [2018-01-21 00:57:26,517 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 00:57:26,518 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 00:57:26,518 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 00:57:26,518 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 00:57:26,518 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 00:57:26,518 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 00:57:26,518 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 00:57:26,519 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 00:57:26,519 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 00:57:26,519 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-21 00:57:26,519 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-21 00:57:26,519 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 00:57:26,519 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 00:57:26,519 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 00:57:26,519 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-21 00:57:26,519 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 00:57:26,519 INFO L128 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-01-21 00:57:26,520 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-01-21 00:57:26,520 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-01-21 00:57:26,520 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-01-21 00:57:26,520 INFO L128 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-01-21 00:57:26,520 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-01-21 00:57:26,520 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-01-21 00:57:26,520 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-01-21 00:57:26,520 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-01-21 00:57:26,521 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-01-21 00:57:26,521 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-01-21 00:57:26,521 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-01-21 00:57:26,521 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-01-21 00:57:26,521 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-01-21 00:57:26,521 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-01-21 00:57:26,521 INFO L128 BoogieDeclarations]: Found specification of procedure f_22_get [2018-01-21 00:57:26,521 INFO L128 BoogieDeclarations]: Found specification of procedure f_22_put [2018-01-21 00:57:26,522 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 00:57:26,522 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 00:57:26,522 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 00:57:26,522 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 00:57:26,956 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 00:57:26,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 12:57:26 BoogieIcfgContainer [2018-01-21 00:57:26,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 00:57:26,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 00:57:26,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 00:57:26,959 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 00:57:26,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 12:57:26" (1/3) ... [2018-01-21 00:57:26,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c39ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 12:57:26, skipping insertion in model container [2018-01-21 00:57:26,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:57:26" (2/3) ... [2018-01-21 00:57:26,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c39ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 12:57:26, skipping insertion in model container [2018-01-21 00:57:26,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 12:57:26" (3/3) ... [2018-01-21 00:57:26,962 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test22_3_true-valid-memsafety_true-termination.i [2018-01-21 00:57:26,968 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 00:57:26,978 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 22 error locations. [2018-01-21 00:57:27,020 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:27,020 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:27,020 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:27,020 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:27,021 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:27,021 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:27,021 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:27,021 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_initErr0EnsuresViolation======== [2018-01-21 00:57:27,022 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 00:57:27,048 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:27,049 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 00:57:27,049 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0EnsuresViolation]=== [2018-01-21 00:57:27,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1187961825, now seen corresponding path program 1 times [2018-01-21 00:57:27,057 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:27,117 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:27,118 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:27,118 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:27,118 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:27,176 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:27,400 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 00:57:27,403 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:27,403 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:57:27,403 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:27,407 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 00:57:27,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 00:57:27,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 00:57:27,419 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 5 states. [2018-01-21 00:57:27,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:27,488 INFO L93 Difference]: Finished difference Result 277 states and 303 transitions. [2018-01-21 00:57:27,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:57:27,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-21 00:57:27,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:27,495 INFO L225 Difference]: With dead ends: 277 [2018-01-21 00:57:27,495 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:27,499 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 00:57:27,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:27,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:27,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:27,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:27,518 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 00:57:27,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:27,518 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:27,518 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 00:57:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:27,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:27,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:27,622 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:27,622 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:27,622 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:27,623 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:27,623 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:27,623 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:27,623 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:27,623 INFO L404 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: true [2018-01-21 00:57:27,623 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:27,623 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:27,623 INFO L404 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: true [2018-01-21 00:57:27,624 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: true [2018-01-21 00:57:27,624 INFO L404 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: true [2018-01-21 00:57:27,624 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:27,624 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:27,624 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:27,624 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:27,624 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:27,625 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:27,625 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:27,625 INFO L404 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: true [2018-01-21 00:57:27,625 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:27,625 INFO L404 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: true [2018-01-21 00:57:27,625 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:27,625 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:27,625 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:27,625 INFO L404 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: true [2018-01-21 00:57:27,626 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:27,626 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:27,626 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:27,626 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:27,626 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:27,626 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:27,626 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:27,626 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:27,626 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:27,626 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:27,626 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:27,626 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: true [2018-01-21 00:57:27,627 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:27,627 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:27,627 INFO L404 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: true [2018-01-21 00:57:27,627 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:27,627 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:27,627 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:27,627 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:27,627 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: true [2018-01-21 00:57:27,627 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:27,627 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:27,627 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:27,627 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:27,628 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: true [2018-01-21 00:57:27,628 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,628 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,628 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,628 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:27,628 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:27,628 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:27,628 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:27,628 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:27,628 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:27,628 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:27,628 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:27,628 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:27,629 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:27,629 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:27,629 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:27,629 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:27,629 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:27,629 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:27,629 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: true [2018-01-21 00:57:27,629 INFO L404 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: true [2018-01-21 00:57:27,629 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:27,629 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:27,629 INFO L404 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: true [2018-01-21 00:57:27,629 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:27,630 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:27,630 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:27,630 INFO L404 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: true [2018-01-21 00:57:27,630 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:27,630 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:27,630 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:27,630 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:27,630 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:27,630 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:27,630 INFO L404 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: true [2018-01-21 00:57:27,630 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:27,630 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:27,631 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:27,631 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:27,631 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:27,631 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:27,631 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,631 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,631 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:27,631 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,631 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:27,631 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:27,631 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:27,631 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:27,632 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:27,632 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:27,632 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:27,632 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:27,632 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:27,632 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:27,632 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:27,632 INFO L404 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:27,632 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:27,632 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:27,632 INFO L404 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: true [2018-01-21 00:57:27,632 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:27,633 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:27,633 INFO L404 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: true [2018-01-21 00:57:27,633 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:27,633 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:27,633 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:27,633 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:27,633 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:27,633 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:27,633 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:27,633 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:27,633 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:27,633 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:27,633 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:27,634 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:27,634 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:27,634 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:27,634 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:27,634 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,634 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:27,634 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,634 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,634 INFO L404 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: true [2018-01-21 00:57:27,634 INFO L404 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: true [2018-01-21 00:57:27,634 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:27,634 INFO L404 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: true [2018-01-21 00:57:27,635 INFO L404 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: true [2018-01-21 00:57:27,635 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:27,635 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:27,635 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:27,635 INFO L404 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: true [2018-01-21 00:57:27,635 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:27,635 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:27,635 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:27,635 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:27,635 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:27,635 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:27,635 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:27,639 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:27,639 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:27,639 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:27,639 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:27,639 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:27,639 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:27,640 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:27,640 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_createErr0EnsuresViolation======== [2018-01-21 00:57:27,640 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:27,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-21 00:57:27,644 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:27,644 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 00:57:27,644 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_createErr0EnsuresViolation]=== [2018-01-21 00:57:27,644 INFO L82 PathProgramCache]: Analyzing trace with hash -349991031, now seen corresponding path program 1 times [2018-01-21 00:57:27,644 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:27,646 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:27,646 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:27,646 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:27,646 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:27,663 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:27,692 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 00:57:27,692 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:27,692 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 00:57:27,692 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:27,692 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 00:57:27,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 00:57:27,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 00:57:27,693 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2018-01-21 00:57:27,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:27,858 INFO L93 Difference]: Finished difference Result 151 states and 160 transitions. [2018-01-21 00:57:27,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 00:57:27,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-01-21 00:57:27,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:27,859 INFO L225 Difference]: With dead ends: 151 [2018-01-21 00:57:27,859 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:27,860 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 00:57:27,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:27,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:27,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:27,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:27,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-21 00:57:27,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:27,861 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:27,862 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 00:57:27,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:27,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:27,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:27,977 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:27,977 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:27,977 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:27,977 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:27,977 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:27,977 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:27,977 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:27,977 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,978 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:27,978 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:27,978 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,978 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,978 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,978 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:27,978 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:27,978 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:27,978 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:27,978 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:27,978 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:27,978 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:27,979 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,979 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:27,979 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,979 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:27,979 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:27,979 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:27,979 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,979 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:27,979 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:27,979 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:27,979 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:27,979 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:27,979 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:27,980 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:27,980 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:27,980 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:27,980 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:27,980 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:27,980 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,980 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:27,980 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:27,980 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,980 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:27,980 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:27,980 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:27,980 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:27,981 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,981 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:27,981 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:27,981 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:27,981 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:27,981 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,981 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,981 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,981 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,981 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:27,981 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:27,981 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:27,981 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:27,982 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:27,982 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:27,982 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:27,982 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:27,982 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:27,982 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:27,982 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:27,982 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:27,982 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:27,982 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:27,982 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:27,982 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,982 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,983 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:27,983 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:27,983 INFO L397 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,983 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:27,983 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:27,983 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:27,983 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,983 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:27,983 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:27,983 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:27,983 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:27,983 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:27,983 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:27,984 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,984 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:27,984 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:27,984 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:27,984 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:27,984 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:27,984 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:27,984 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,984 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,984 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,984 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,985 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:27,985 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:27,985 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:27,985 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:27,985 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:27,985 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:27,985 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:27,985 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:27,985 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,985 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:27,985 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:27,985 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,985 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:27,985 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:27,986 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,986 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:27,986 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:27,986 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,986 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:27,986 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:27,986 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:27,986 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:27,986 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:27,986 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:27,986 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:27,986 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:27,986 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:27,987 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:27,987 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:27,987 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:27,987 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:27,987 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:27,987 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:27,987 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,987 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:27,987 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,987 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:27,987 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,987 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,987 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:27,988 INFO L397 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,988 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,988 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:27,988 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:27,988 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:27,988 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:27,988 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:27,988 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:27,988 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:27,988 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:27,988 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:27,988 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:27,988 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:27,990 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:27,991 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:27,991 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:27,991 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:27,991 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:27,991 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:27,991 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:27,991 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_subErr0EnsuresViolation======== [2018-01-21 00:57:27,991 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:27,993 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:27,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-01-21 00:57:27,996 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:27,996 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] [2018-01-21 00:57:27,997 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-21 00:57:27,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1819992789, now seen corresponding path program 1 times [2018-01-21 00:57:27,997 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:27,998 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:27,999 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:27,999 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:27,999 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:28,028 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:28,215 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 00:57:28,215 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:28,216 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-21 00:57:28,216 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:28,216 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-21 00:57:28,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-21 00:57:28,217 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-01-21 00:57:28,217 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 9 states. [2018-01-21 00:57:28,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:28,334 INFO L93 Difference]: Finished difference Result 233 states and 251 transitions. [2018-01-21 00:57:28,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-21 00:57:28,335 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2018-01-21 00:57:28,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:28,341 INFO L225 Difference]: With dead ends: 233 [2018-01-21 00:57:28,342 INFO L226 Difference]: Without dead ends: 124 [2018-01-21 00:57:28,342 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-01-21 00:57:28,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-01-21 00:57:28,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2018-01-21 00:57:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-01-21 00:57:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 130 transitions. [2018-01-21 00:57:28,371 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 130 transitions. Word has length 50 [2018-01-21 00:57:28,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:28,372 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 130 transitions. [2018-01-21 00:57:28,372 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-21 00:57:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-01-21 00:57:28,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-01-21 00:57:28,375 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:28,375 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] [2018-01-21 00:57:28,375 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-21 00:57:28,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1343082880, now seen corresponding path program 1 times [2018-01-21 00:57:28,376 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:28,377 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:28,377 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:28,377 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:28,378 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:28,395 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:28,477 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 00:57:28,478 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:28,478 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:57:28,478 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:28,480 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 00:57:28,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 00:57:28,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 00:57:28,480 INFO L87 Difference]: Start difference. First operand 122 states and 130 transitions. Second operand 5 states. [2018-01-21 00:57:28,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:28,509 INFO L93 Difference]: Finished difference Result 230 states and 245 transitions. [2018-01-21 00:57:28,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:57:28,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2018-01-21 00:57:28,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:28,512 INFO L225 Difference]: With dead ends: 230 [2018-01-21 00:57:28,512 INFO L226 Difference]: Without dead ends: 122 [2018-01-21 00:57:28,513 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 00:57:28,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-01-21 00:57:28,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-01-21 00:57:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-01-21 00:57:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2018-01-21 00:57:28,527 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 129 transitions. Word has length 62 [2018-01-21 00:57:28,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:28,527 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 129 transitions. [2018-01-21 00:57:28,527 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 00:57:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2018-01-21 00:57:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-01-21 00:57:28,529 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:28,529 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] [2018-01-21 00:57:28,530 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-21 00:57:28,530 INFO L82 PathProgramCache]: Analyzing trace with hash 764487326, now seen corresponding path program 1 times [2018-01-21 00:57:28,530 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:28,531 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:28,531 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:28,532 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:28,532 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:28,547 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:28,610 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 00:57:28,610 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:28,610 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 00:57:28,610 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:28,611 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 00:57:28,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 00:57:28,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 00:57:28,611 INFO L87 Difference]: Start difference. First operand 122 states and 129 transitions. Second operand 4 states. [2018-01-21 00:57:28,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:28,668 INFO L93 Difference]: Finished difference Result 122 states and 129 transitions. [2018-01-21 00:57:28,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 00:57:28,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-01-21 00:57:28,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:28,669 INFO L225 Difference]: With dead ends: 122 [2018-01-21 00:57:28,669 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:28,669 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 00:57:28,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:28,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:28,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:28,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-01-21 00:57:28,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:28,671 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:28,671 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 00:57:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:28,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:28,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:28,838 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:28,838 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:28,838 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:28,838 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:28,839 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:28,839 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:28,839 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:28,839 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 00:57:28,839 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:28,839 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:28,839 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,839 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,839 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 00:57:28,839 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:28,839 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:28,840 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:28,840 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:28,840 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:28,840 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:28,840 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:28,840 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,840 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:28,840 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,840 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:28,840 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:28,840 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:28,841 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,841 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:28,841 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:28,841 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:28,841 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:28,841 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:28,841 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:28,841 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:28,841 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:28,841 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:28,841 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:28,841 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:28,841 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,841 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:28,842 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:28,842 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,842 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:28,842 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:28,842 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:28,842 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:28,842 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,842 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:28,842 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:28,842 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:28,842 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:28,842 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,842 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,842 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,843 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,843 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:28,843 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:28,843 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:28,843 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:28,843 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:28,843 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:28,843 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:28,843 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:28,843 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:28,843 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:28,843 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:28,843 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:28,843 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:28,844 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:28,844 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:28,844 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,844 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 00:57:28,844 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:28,844 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:28,844 INFO L397 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,844 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:28,844 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:28,844 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:28,845 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (or (and (= 0 f_22_put_~kobj.base) (= 0 f_22_put_~kobj.offset)) (not (= 0 |f_22_put_#in~kobj.offset|)) (not (= 0 |f_22_put_#in~kobj.base|))) (= |#valid| |old(#valid)|)) [2018-01-21 00:57:28,845 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:28,845 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:28,845 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:28,845 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:28,845 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:28,845 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:28,846 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,846 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:28,846 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:28,846 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:28,846 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:28,846 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:28,846 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:28,846 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,846 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,847 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,847 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,847 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:28,847 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:28,847 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:28,847 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:28,847 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:28,847 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:28,847 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:28,848 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:28,848 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,848 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:28,848 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:28,848 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,848 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:28,848 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:28,848 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,849 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:28,849 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:28,849 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,849 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:28,849 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:28,849 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:28,849 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:28,849 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:28,849 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:28,850 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:28,850 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:28,850 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:28,850 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:28,850 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:28,850 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:28,850 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:28,850 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:28,850 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:28,850 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,851 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:28,851 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,851 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,851 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,851 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:28,851 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:28,851 INFO L397 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:28,851 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,851 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:28,851 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:28,851 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:28,852 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:28,852 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:28,852 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:28,852 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:28,852 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:28,852 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:28,852 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:28,852 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:28,855 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:28,855 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:28,855 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:28,855 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:28,855 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:28,855 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:28,855 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:28,855 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_atomic_add_returnErr0EnsuresViolation======== [2018-01-21 00:57:28,855 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:28,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-01-21 00:57:28,859 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:28,859 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 00:57:28,859 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_atomic_add_returnErr0EnsuresViolation]=== [2018-01-21 00:57:28,860 INFO L82 PathProgramCache]: Analyzing trace with hash 692115465, now seen corresponding path program 1 times [2018-01-21 00:57:28,860 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:28,861 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:28,861 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:28,861 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:28,861 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:28,876 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:28,891 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 00:57:28,892 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:28,892 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 00:57:28,892 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:28,892 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 00:57:28,892 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 00:57:28,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 00:57:28,893 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-01-21 00:57:28,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:28,900 INFO L93 Difference]: Finished difference Result 149 states and 158 transitions. [2018-01-21 00:57:28,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 00:57:28,900 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 33 [2018-01-21 00:57:28,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:28,901 INFO L225 Difference]: With dead ends: 149 [2018-01-21 00:57:28,901 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:28,901 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 00:57:28,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:28,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:28,902 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-01-21 00:57:28,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:28,902 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:28,902 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 00:57:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:28,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:28,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:28,951 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:28,951 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:28,952 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:28,952 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:28,952 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:28,952 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:28,952 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:28,952 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 00:57:28,952 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:28,952 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:28,952 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,952 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,952 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 00:57:28,952 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:28,952 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:28,953 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:28,953 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:28,953 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:28,953 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:28,953 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:28,953 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,953 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:28,953 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,953 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:28,953 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:28,953 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:28,953 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,953 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:28,953 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:28,953 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:28,954 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:28,955 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:28,956 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:28,956 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:28,956 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:28,956 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:28,956 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:28,956 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:28,956 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:28,956 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:28,956 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:28,956 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,956 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 00:57:28,956 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:28,956 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:28,956 INFO L397 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,956 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:28,957 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:28,957 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:28,957 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (or (and (= 0 f_22_put_~kobj.base) (= 0 f_22_put_~kobj.offset)) (not (= 0 |f_22_put_#in~kobj.offset|)) (not (= 0 |f_22_put_#in~kobj.base|))) (= |#valid| |old(#valid)|)) [2018-01-21 00:57:28,957 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:28,957 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:28,957 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:28,957 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:28,957 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:28,957 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:28,957 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,957 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:28,957 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:28,957 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:28,957 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:28,957 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:28,958 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:28,959 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,959 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:28,959 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:28,959 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,959 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:28,959 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:28,959 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,959 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:28,959 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:28,959 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:28,959 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:28,959 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:28,959 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:28,959 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:28,959 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:28,959 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:28,960 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:28,960 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:28,960 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:28,960 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:28,960 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:28,960 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:28,960 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,960 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:28,960 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,960 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:28,960 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,960 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:28,960 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:28,960 INFO L397 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:28,961 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:28,961 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:28,961 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:28,961 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:28,961 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:28,961 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:28,961 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:28,961 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:28,961 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:28,961 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:28,961 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:28,961 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:28,962 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:28,963 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:28,963 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:28,963 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:28,963 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:28,963 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:28,963 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:28,963 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_releaseErr0EnsuresViolation======== [2018-01-21 00:57:28,963 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-01-21 00:57:28,965 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:28,965 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:28,965 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 00:57:28,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1116101149, now seen corresponding path program 1 times [2018-01-21 00:57:28,966 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:28,967 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:28,967 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:28,967 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:28,967 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:28,985 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:29,083 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 00:57:29,084 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:29,084 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-21 00:57:29,084 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:29,084 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-21 00:57:29,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-21 00:57:29,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-01-21 00:57:29,085 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 9 states. [2018-01-21 00:57:29,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:29,180 INFO L93 Difference]: Finished difference Result 233 states and 251 transitions. [2018-01-21 00:57:29,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-21 00:57:29,180 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2018-01-21 00:57:29,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:29,182 INFO L225 Difference]: With dead ends: 233 [2018-01-21 00:57:29,183 INFO L226 Difference]: Without dead ends: 124 [2018-01-21 00:57:29,183 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-01-21 00:57:29,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-01-21 00:57:29,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2018-01-21 00:57:29,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-01-21 00:57:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 130 transitions. [2018-01-21 00:57:29,196 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 130 transitions. Word has length 62 [2018-01-21 00:57:29,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:29,197 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 130 transitions. [2018-01-21 00:57:29,197 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-21 00:57:29,197 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-01-21 00:57:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-01-21 00:57:29,198 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:29,198 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:29,198 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 00:57:29,198 INFO L82 PathProgramCache]: Analyzing trace with hash -140710898, now seen corresponding path program 1 times [2018-01-21 00:57:29,198 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:29,199 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:29,199 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:29,199 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:29,200 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:29,211 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:29,274 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 00:57:29,274 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:29,274 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:57:29,275 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:29,275 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 00:57:29,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 00:57:29,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 00:57:29,276 INFO L87 Difference]: Start difference. First operand 122 states and 130 transitions. Second operand 5 states. [2018-01-21 00:57:29,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:29,289 INFO L93 Difference]: Finished difference Result 230 states and 245 transitions. [2018-01-21 00:57:29,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:57:29,290 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-01-21 00:57:29,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:29,291 INFO L225 Difference]: With dead ends: 230 [2018-01-21 00:57:29,292 INFO L226 Difference]: Without dead ends: 122 [2018-01-21 00:57:29,292 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 00:57:29,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-01-21 00:57:29,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-01-21 00:57:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-01-21 00:57:29,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2018-01-21 00:57:29,307 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 129 transitions. Word has length 74 [2018-01-21 00:57:29,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:29,308 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 129 transitions. [2018-01-21 00:57:29,308 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 00:57:29,308 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2018-01-21 00:57:29,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-01-21 00:57:29,308 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:29,309 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:29,309 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 00:57:29,309 INFO L82 PathProgramCache]: Analyzing trace with hash 488866860, now seen corresponding path program 1 times [2018-01-21 00:57:29,309 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:29,310 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:29,310 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:29,310 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:29,310 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:29,319 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:29,343 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 00:57:29,343 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:29,343 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 00:57:29,343 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:29,344 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 00:57:29,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 00:57:29,344 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 00:57:29,344 INFO L87 Difference]: Start difference. First operand 122 states and 129 transitions. Second operand 4 states. [2018-01-21 00:57:29,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:29,410 INFO L93 Difference]: Finished difference Result 122 states and 129 transitions. [2018-01-21 00:57:29,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 00:57:29,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 76 [2018-01-21 00:57:29,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:29,411 INFO L225 Difference]: With dead ends: 122 [2018-01-21 00:57:29,411 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:29,411 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 00:57:29,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:29,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:29,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:29,412 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2018-01-21 00:57:29,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:29,412 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:29,412 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 00:57:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:29,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:29,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:29,476 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:29,476 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:29,476 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:29,476 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:29,476 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:29,476 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:29,476 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:29,476 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 00:57:29,476 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:29,476 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:29,477 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,477 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,477 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 00:57:29,477 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:29,477 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:29,477 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:29,477 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:29,477 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:29,477 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:29,477 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:29,477 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,477 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:29,477 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,477 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:29,477 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:29,478 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:29,479 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:29,480 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:29,480 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:29,480 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:29,480 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:29,480 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:29,480 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:29,480 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:29,480 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:29,480 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:29,480 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:29,480 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:29,480 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:29,480 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,481 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 00:57:29,481 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:29,481 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:29,481 INFO L397 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,481 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:29,481 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:29,481 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:29,481 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (or (and (= 0 f_22_put_~kobj.base) (= 0 f_22_put_~kobj.offset)) (not (= 0 |f_22_put_#in~kobj.offset|)) (not (= 0 |f_22_put_#in~kobj.base|))) (= |#valid| |old(#valid)|)) [2018-01-21 00:57:29,481 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:29,482 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:29,482 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:29,482 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:29,482 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:29,482 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:29,482 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,482 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:29,482 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:29,482 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:29,482 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:29,483 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:29,483 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:29,483 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:29,483 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:29,483 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,483 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:29,483 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:29,483 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:29,483 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:29,483 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:29,484 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:29,484 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:29,484 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:29,484 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:29,484 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,484 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:29,484 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:29,484 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,484 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:29,484 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:29,485 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,485 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:29,485 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:29,485 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,485 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:29,485 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:29,485 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:29,485 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:29,485 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:29,485 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:29,486 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:29,486 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:29,486 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:29,486 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:29,486 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:29,486 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:29,486 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:29,486 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:29,486 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:29,486 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:29,486 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:29,487 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:29,487 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:29,487 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,487 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:29,487 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:29,487 INFO L397 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:29,487 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:29,487 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:29,487 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:29,487 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:29,488 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:29,488 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:29,488 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:29,488 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:29,488 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:29,488 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:29,488 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:29,488 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:29,489 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:29,489 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:29,489 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:29,489 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:29,489 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:29,489 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:29,489 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:29,489 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_cleanupErr0EnsuresViolation======== [2018-01-21 00:57:29,490 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-01-21 00:57:29,491 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:29,492 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] [2018-01-21 00:57:29,492 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 00:57:29,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1069316639, now seen corresponding path program 1 times [2018-01-21 00:57:29,492 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:29,492 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:29,493 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:29,493 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:29,493 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:29,505 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:29,651 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 00:57:29,651 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:29,652 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-21 00:57:29,652 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:29,652 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-21 00:57:29,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-21 00:57:29,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-01-21 00:57:29,653 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 9 states. [2018-01-21 00:57:29,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:29,750 INFO L93 Difference]: Finished difference Result 233 states and 251 transitions. [2018-01-21 00:57:29,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-21 00:57:29,751 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2018-01-21 00:57:29,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:29,753 INFO L225 Difference]: With dead ends: 233 [2018-01-21 00:57:29,753 INFO L226 Difference]: Without dead ends: 124 [2018-01-21 00:57:29,754 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-01-21 00:57:29,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-01-21 00:57:29,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2018-01-21 00:57:29,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-01-21 00:57:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 130 transitions. [2018-01-21 00:57:29,766 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 130 transitions. Word has length 60 [2018-01-21 00:57:29,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:29,767 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 130 transitions. [2018-01-21 00:57:29,767 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-21 00:57:29,767 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-01-21 00:57:29,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-01-21 00:57:29,768 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:29,768 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:29,768 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 00:57:29,768 INFO L82 PathProgramCache]: Analyzing trace with hash -397911348, now seen corresponding path program 1 times [2018-01-21 00:57:29,769 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:29,772 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:29,773 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:29,773 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:29,773 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:29,783 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:29,840 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 00:57:29,840 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:29,841 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:57:29,841 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:29,841 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 00:57:29,841 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 00:57:29,842 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 00:57:29,842 INFO L87 Difference]: Start difference. First operand 122 states and 130 transitions. Second operand 5 states. [2018-01-21 00:57:29,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:29,875 INFO L93 Difference]: Finished difference Result 230 states and 245 transitions. [2018-01-21 00:57:29,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:57:29,875 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-01-21 00:57:29,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:29,876 INFO L225 Difference]: With dead ends: 230 [2018-01-21 00:57:29,877 INFO L226 Difference]: Without dead ends: 122 [2018-01-21 00:57:29,877 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 00:57:29,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-01-21 00:57:29,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-01-21 00:57:29,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-01-21 00:57:29,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2018-01-21 00:57:29,887 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 129 transitions. Word has length 72 [2018-01-21 00:57:29,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:29,887 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 129 transitions. [2018-01-21 00:57:29,888 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 00:57:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2018-01-21 00:57:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-01-21 00:57:29,889 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:29,889 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:29,889 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 00:57:29,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1613914730, now seen corresponding path program 1 times [2018-01-21 00:57:29,889 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:29,890 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:29,891 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:29,891 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:29,891 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:29,902 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:29,935 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 00:57:29,935 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:29,935 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 00:57:29,936 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:29,936 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 00:57:29,936 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 00:57:29,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 00:57:29,937 INFO L87 Difference]: Start difference. First operand 122 states and 129 transitions. Second operand 4 states. [2018-01-21 00:57:29,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:29,956 INFO L93 Difference]: Finished difference Result 122 states and 129 transitions. [2018-01-21 00:57:29,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 00:57:29,957 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2018-01-21 00:57:29,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:29,957 INFO L225 Difference]: With dead ends: 122 [2018-01-21 00:57:29,957 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:29,958 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 00:57:29,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:29,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:29,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:29,958 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2018-01-21 00:57:29,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:29,959 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:29,959 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 00:57:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:29,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:29,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:30,037 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,037 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,037 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,037 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:30,037 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:30,038 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:30,038 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,038 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 00:57:30,038 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:30,038 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:30,038 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,038 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,038 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 00:57:30,038 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,038 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:30,038 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,038 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:30,038 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:30,038 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,038 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:30,039 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,040 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,040 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,040 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,040 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,040 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,040 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:30,040 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:30,040 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:30,040 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:30,040 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,040 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:30,040 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:30,040 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:30,040 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:30,041 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,041 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,041 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,041 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,041 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:30,041 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,041 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:30,041 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,041 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,041 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:30,041 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:30,041 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,041 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,042 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,042 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:30,042 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:30,042 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:30,042 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:30,042 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:30,042 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,042 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 00:57:30,042 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:30,042 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:30,042 INFO L397 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,042 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,042 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,043 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,043 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (or (and (= 0 f_22_put_~kobj.base) (= 0 f_22_put_~kobj.offset)) (not (= 0 |f_22_put_#in~kobj.offset|)) (not (= 0 |f_22_put_#in~kobj.base|))) (= |#valid| |old(#valid)|)) [2018-01-21 00:57:30,043 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:30,043 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:30,043 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:30,043 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:30,043 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:30,043 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:30,043 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,043 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:30,043 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:30,043 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,044 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,044 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,044 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:30,044 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,044 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,044 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,044 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,044 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:30,044 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,045 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:30,045 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:30,045 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:30,045 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:30,045 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,045 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,045 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,045 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,045 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,045 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,046 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:30,046 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,046 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,046 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,046 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:30,046 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,046 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,046 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:30,046 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,046 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:30,046 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:30,046 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:30,046 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,047 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,047 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,047 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:30,047 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,047 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,047 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:30,047 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:30,047 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:30,047 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,047 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:30,047 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,047 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,047 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,048 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,048 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,048 INFO L397 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,048 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,048 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,048 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,048 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:30,048 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,048 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:30,048 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:30,048 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,048 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:30,049 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,049 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,049 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:30,050 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:30,050 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:30,050 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:30,050 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:30,050 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:30,050 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:30,050 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:30,050 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 00:57:30,050 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:30,052 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:30,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-01-21 00:57:30,054 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:30,054 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:30,054 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 00:57:30,054 INFO L82 PathProgramCache]: Analyzing trace with hash 864374151, now seen corresponding path program 1 times [2018-01-21 00:57:30,054 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:30,056 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:30,056 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:30,056 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:30,056 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:30,068 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:30,118 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 00:57:30,119 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:30,119 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 00:57:30,119 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:30,119 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 00:57:30,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 00:57:30,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 00:57:30,120 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2018-01-21 00:57:30,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:30,231 INFO L93 Difference]: Finished difference Result 151 states and 160 transitions. [2018-01-21 00:57:30,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 00:57:30,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-01-21 00:57:30,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:30,232 INFO L225 Difference]: With dead ends: 151 [2018-01-21 00:57:30,232 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:30,232 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 00:57:30,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:30,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:30,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:30,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2018-01-21 00:57:30,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:30,233 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:30,233 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 00:57:30,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:30,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:30,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:30,307 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,307 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,307 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,307 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:30,307 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:30,307 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:30,307 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,307 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 00:57:30,307 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:30,307 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:30,307 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,307 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,308 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 00:57:30,308 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,308 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:30,308 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,308 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:30,308 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:30,308 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,308 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,308 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,308 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,308 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,308 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,308 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:30,308 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:30,308 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,308 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:30,309 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,309 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,309 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,310 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:30,310 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:30,310 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:30,310 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:30,310 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,310 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:30,310 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:30,310 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:30,310 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:30,310 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,311 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,311 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,311 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,311 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:30,311 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,311 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:30,311 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,311 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,311 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:30,311 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:30,312 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,312 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,312 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,312 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:30,312 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:30,312 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:30,312 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:30,312 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:30,312 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,312 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 00:57:30,313 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:30,313 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:30,313 INFO L397 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,313 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,313 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,313 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,313 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (or (and (= 0 f_22_put_~kobj.base) (= 0 f_22_put_~kobj.offset)) (not (= 0 |f_22_put_#in~kobj.offset|)) (not (= 0 |f_22_put_#in~kobj.base|))) (= |#valid| |old(#valid)|)) [2018-01-21 00:57:30,313 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:30,313 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:30,314 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:30,314 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:30,314 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:30,314 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:30,314 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,314 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:30,314 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:30,314 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,315 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,315 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,315 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:30,315 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,315 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,315 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,315 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,315 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:30,315 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,315 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:30,316 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:30,316 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:30,316 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:30,316 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,316 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,316 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,316 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,316 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,316 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,316 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:30,317 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,317 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,317 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,317 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:30,317 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,317 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,317 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:30,317 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,317 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:30,317 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:30,318 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:30,318 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,318 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,318 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,318 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:30,318 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,318 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,318 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:30,318 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:30,318 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:30,319 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,319 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:30,319 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,319 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,319 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,319 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,319 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,319 INFO L397 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,319 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,320 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,320 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,320 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:30,320 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,320 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:30,320 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:30,320 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,320 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:30,320 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,320 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,321 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:30,322 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:30,322 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:30,322 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:30,322 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:30,322 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:30,323 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:30,323 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:30,323 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == LDV_INIT_LIST_HEADErr0EnsuresViolation======== [2018-01-21 00:57:30,323 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:30,324 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:30,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-21 00:57:30,325 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:30,326 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 00:57:30,326 INFO L371 AbstractCegarLoop]: === Iteration 1 === [LDV_INIT_LIST_HEADErr0EnsuresViolation]=== [2018-01-21 00:57:30,326 INFO L82 PathProgramCache]: Analyzing trace with hash -65244220, now seen corresponding path program 1 times [2018-01-21 00:57:30,326 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:30,327 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:30,327 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:30,327 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:30,328 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:30,336 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:30,389 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 00:57:30,389 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:30,389 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:57:30,389 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:30,390 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 00:57:30,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 00:57:30,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 00:57:30,390 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 5 states. [2018-01-21 00:57:30,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:30,418 INFO L93 Difference]: Finished difference Result 277 states and 303 transitions. [2018-01-21 00:57:30,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:57:30,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-01-21 00:57:30,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:30,419 INFO L225 Difference]: With dead ends: 277 [2018-01-21 00:57:30,419 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:30,420 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 00:57:30,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:30,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:30,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:30,421 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-01-21 00:57:30,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:30,421 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:30,421 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 00:57:30,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:30,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:30,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:30,479 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,479 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,479 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,480 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:30,480 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:30,480 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:30,480 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,480 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 00:57:30,480 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:30,480 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:30,480 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,480 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,480 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 00:57:30,481 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,481 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:30,481 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,481 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:30,481 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:30,481 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,481 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,481 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,481 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,481 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,482 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,482 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:30,482 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:30,482 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,482 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:30,482 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,482 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:30,482 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:30,482 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,482 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:30,482 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:30,483 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,483 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:30,483 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,483 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,483 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,483 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,483 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,483 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,483 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:30,483 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:30,484 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:30,484 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:30,484 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,484 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:30,484 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:30,484 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:30,484 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:30,484 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,484 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,484 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,484 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,485 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:30,485 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,485 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:30,485 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,485 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,485 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:30,485 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:30,485 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,485 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,485 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,485 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:30,486 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:30,486 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:30,486 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:30,486 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:30,486 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,486 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 00:57:30,486 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:30,486 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:30,486 INFO L397 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,487 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,487 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,487 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,487 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (or (and (= 0 f_22_put_~kobj.base) (= 0 f_22_put_~kobj.offset)) (not (= 0 |f_22_put_#in~kobj.offset|)) (not (= 0 |f_22_put_#in~kobj.base|))) (= |#valid| |old(#valid)|)) [2018-01-21 00:57:30,487 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:30,487 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:30,487 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:30,487 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:30,487 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:30,487 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:30,488 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,488 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:30,488 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:30,488 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,488 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,488 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,488 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:30,488 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,488 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,488 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,488 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,489 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:30,489 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,489 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:30,489 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:30,489 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:30,489 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:30,489 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,489 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,489 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,489 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,490 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,490 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,490 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:30,490 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,490 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,490 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,490 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:30,490 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,490 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,490 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:30,490 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,491 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:30,491 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:30,491 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:30,491 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,491 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,491 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,491 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:30,491 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,491 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,491 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:30,491 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:30,492 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:30,492 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,492 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:30,492 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,492 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,492 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,492 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,492 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,492 INFO L397 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,493 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,493 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,493 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,493 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:30,493 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,493 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:30,493 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:30,493 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,493 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:30,493 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,493 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,494 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:30,495 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:30,495 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:30,495 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:30,495 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:30,496 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:30,496 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:30,496 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:30,496 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_getErr0EnsuresViolation======== [2018-01-21 00:57:30,496 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:30,498 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:30,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-21 00:57:30,499 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:30,499 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:30,499 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_getErr0EnsuresViolation]=== [2018-01-21 00:57:30,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1326035163, now seen corresponding path program 1 times [2018-01-21 00:57:30,499 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:30,500 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:30,500 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:30,500 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:30,501 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:30,511 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:30,523 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 00:57:30,523 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:30,523 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 00:57:30,523 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:30,524 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 00:57:30,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 00:57:30,524 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 00:57:30,524 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-01-21 00:57:30,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:30,529 INFO L93 Difference]: Finished difference Result 149 states and 158 transitions. [2018-01-21 00:57:30,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 00:57:30,530 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 36 [2018-01-21 00:57:30,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:30,530 INFO L225 Difference]: With dead ends: 149 [2018-01-21 00:57:30,530 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:30,531 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 00:57:30,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:30,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:30,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-01-21 00:57:30,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:30,532 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:30,532 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 00:57:30,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:30,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:30,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:30,580 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,580 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,580 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,580 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:30,580 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:30,580 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:30,580 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,580 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 00:57:30,581 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:30,581 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:30,581 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,581 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,581 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 00:57:30,581 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,581 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:30,581 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,581 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:30,581 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:30,581 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,581 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,581 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,581 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,581 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,582 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,583 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:30,584 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,585 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 00:57:30,585 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:30,585 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:30,585 INFO L397 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,585 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,585 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,585 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,585 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (or (and (= 0 f_22_put_~kobj.base) (= 0 f_22_put_~kobj.offset)) (not (= 0 |f_22_put_#in~kobj.offset|)) (not (= 0 |f_22_put_#in~kobj.base|))) (= |#valid| |old(#valid)|)) [2018-01-21 00:57:30,585 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:30,585 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:30,585 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:30,585 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:30,585 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:30,585 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:30,585 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:30,586 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:30,587 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,587 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,587 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,587 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,587 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,587 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,587 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:30,587 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,587 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,587 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,587 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:30,587 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,587 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,587 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:30,587 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,587 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:30,588 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:30,588 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:30,588 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,588 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,588 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,588 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:30,588 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,588 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,588 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:30,588 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:30,588 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:30,588 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,588 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:30,588 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,588 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,588 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,589 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,589 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,589 INFO L397 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,589 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,589 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,589 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,589 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:30,589 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,589 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:30,589 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:30,589 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,589 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:30,589 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,589 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,589 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:30,591 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:30,591 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:30,591 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:30,591 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:30,591 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:30,591 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:30,591 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:30,591 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_putErr0EnsuresViolation======== [2018-01-21 00:57:30,592 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:30,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-21 00:57:30,593 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:30,594 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:30,594 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_putErr0EnsuresViolation]=== [2018-01-21 00:57:30,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1688263007, now seen corresponding path program 1 times [2018-01-21 00:57:30,594 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:30,595 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:30,595 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:30,595 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:30,595 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:30,602 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:30,615 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 00:57:30,615 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:30,616 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 00:57:30,616 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:30,616 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 00:57:30,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 00:57:30,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 00:57:30,617 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2018-01-21 00:57:30,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:30,876 INFO L93 Difference]: Finished difference Result 151 states and 160 transitions. [2018-01-21 00:57:30,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 00:57:30,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-01-21 00:57:30,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:30,877 INFO L225 Difference]: With dead ends: 151 [2018-01-21 00:57:30,877 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:30,878 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 00:57:30,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:30,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:30,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-01-21 00:57:30,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:30,879 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:30,879 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 00:57:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:30,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:30,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:30,929 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,929 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,929 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:30,929 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:30,929 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:30,929 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:30,929 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,929 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 00:57:30,929 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:30,929 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:30,929 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,929 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,929 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 00:57:30,930 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,930 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:30,930 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:30,930 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:30,930 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:30,930 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,930 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,930 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,930 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,930 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,930 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,930 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:30,930 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:30,930 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,930 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:30,930 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:30,931 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,932 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:30,933 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:30,933 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:30,933 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,933 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,933 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:30,933 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:30,933 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:30,933 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:30,933 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:30,933 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:30,933 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,933 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 00:57:30,933 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:30,933 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:30,933 INFO L397 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,934 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,934 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,934 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:30,934 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (or (and (= 0 f_22_put_~kobj.base) (= 0 f_22_put_~kobj.offset)) (not (= 0 |f_22_put_#in~kobj.offset|)) (not (= 0 |f_22_put_#in~kobj.base|))) (= |#valid| |old(#valid)|)) [2018-01-21 00:57:30,934 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:30,934 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:30,934 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:30,934 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:30,934 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:30,934 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:30,934 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,934 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:30,934 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:30,934 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,934 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,934 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,935 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:30,936 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,936 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:30,936 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,936 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,936 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,936 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:30,936 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,936 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:30,936 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:30,936 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,936 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:30,936 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:30,936 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:30,936 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,936 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:30,936 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,937 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:30,937 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,937 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:30,937 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:30,937 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:30,937 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:30,937 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,937 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:30,937 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,937 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:30,937 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,937 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,937 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,937 INFO L397 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,937 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:30,938 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,938 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:30,938 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:30,938 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:30,938 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:30,938 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:30,938 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,938 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:30,938 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,938 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:30,938 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:30,940 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:30,940 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:30,940 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:30,940 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:30,940 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:30,940 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:30,940 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:30,940 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == f_22_putErr0EnsuresViolation======== [2018-01-21 00:57:30,941 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:30,942 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:30,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-21 00:57:30,943 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:30,943 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 00:57:30,944 INFO L371 AbstractCegarLoop]: === Iteration 1 === [f_22_putErr0EnsuresViolation]=== [2018-01-21 00:57:30,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1076893431, now seen corresponding path program 1 times [2018-01-21 00:57:30,944 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:30,945 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:30,946 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:30,946 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:30,946 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:30,952 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:57:30,964 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:30,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 00:57:30,964 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:30,964 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 00:57:30,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 00:57:30,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 00:57:30,965 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2018-01-21 00:57:31,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:31,150 INFO L93 Difference]: Finished difference Result 151 states and 160 transitions. [2018-01-21 00:57:31,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 00:57:31,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-01-21 00:57:31,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:31,151 INFO L225 Difference]: With dead ends: 151 [2018-01-21 00:57:31,151 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:31,152 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 00:57:31,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:31,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:31,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-01-21 00:57:31,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:31,153 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:31,153 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 00:57:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:31,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:31,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:31,276 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:31,276 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:31,276 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:31,276 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:31,276 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:31,276 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:31,276 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:31,276 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 00:57:31,276 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:31,276 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:31,277 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,277 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,277 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 00:57:31,277 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:31,277 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:31,277 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:31,277 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:31,277 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:31,277 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:31,277 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:31,277 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,277 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:31,277 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,277 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:31,277 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:31,277 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:31,278 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:31,279 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:31,280 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:31,280 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:31,280 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:31,280 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:31,280 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:31,280 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:31,280 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:31,280 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:31,280 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:31,280 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:31,280 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:31,280 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:31,280 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,280 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 00:57:31,281 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:31,281 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:31,281 INFO L397 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,281 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:31,281 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:31,281 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:31,281 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (or (and (= 0 f_22_put_~kobj.base) (= 0 f_22_put_~kobj.offset)) (not (= 0 |f_22_put_#in~kobj.offset|)) (not (= 0 |f_22_put_#in~kobj.base|))) (= |#valid| |old(#valid)|)) [2018-01-21 00:57:31,281 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:31,281 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:31,281 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:31,281 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:31,281 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:31,281 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:31,281 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,281 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:31,281 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:31,282 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:31,283 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,283 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:31,283 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:31,283 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,283 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:31,283 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:31,283 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,283 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:31,283 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:31,283 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,283 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:31,283 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:31,283 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:31,283 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:31,283 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:31,283 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:31,284 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:31,284 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:31,284 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:31,284 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:31,284 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:31,284 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:31,284 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:31,284 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:31,284 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:31,284 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,284 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:31,284 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,284 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,284 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,285 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:31,285 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:31,285 INFO L397 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:31,285 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,285 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:31,285 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:31,285 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:31,285 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:31,285 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:31,285 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:31,285 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:31,285 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:31,285 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:31,285 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:31,285 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:31,287 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:31,287 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:31,287 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:31,287 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:31,287 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:31,287 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:31,287 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:31,287 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_initErr0EnsuresViolation======== [2018-01-21 00:57:31,287 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:31,288 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 00:57:31,289 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:31,289 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 00:57:31,289 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_initErr0EnsuresViolation]=== [2018-01-21 00:57:31,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1182402764, now seen corresponding path program 1 times [2018-01-21 00:57:31,289 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:31,290 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,290 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:31,290 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,290 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:31,299 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:31,330 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 00:57:31,330 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:31,330 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:57:31,330 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:31,331 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 00:57:31,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 00:57:31,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 00:57:31,331 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 5 states. [2018-01-21 00:57:31,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:31,343 INFO L93 Difference]: Finished difference Result 277 states and 303 transitions. [2018-01-21 00:57:31,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:57:31,343 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-21 00:57:31,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:31,344 INFO L225 Difference]: With dead ends: 277 [2018-01-21 00:57:31,344 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:31,344 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 00:57:31,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:31,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:31,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:31,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 00:57:31,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:31,345 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:31,345 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 00:57:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:31,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:31,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:57:31,395 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:31,395 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:31,395 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 00:57:31,395 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 00:57:31,395 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 00:57:31,395 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 00:57:31,395 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:31,396 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 00:57:31,396 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 00:57:31,396 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 00:57:31,396 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,396 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,396 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 00:57:31,396 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:31,396 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 00:57:31,396 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 00:57:31,396 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 00:57:31,396 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 00:57:31,396 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:31,396 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:31,396 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,396 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:31,396 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:31,397 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,398 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:31,399 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,399 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 00:57:31,400 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 00:57:31,400 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 00:57:31,400 INFO L397 ceAbstractionStarter]: At program point f_22_putENTRY(lines 1439 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,400 INFO L401 ceAbstractionStarter]: For program point f_22_putErr0EnsuresViolation(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:31,400 INFO L401 ceAbstractionStarter]: For program point f_22_putEXIT(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:31,400 INFO L401 ceAbstractionStarter]: For program point f_22_putFINAL(lines 1439 1441) no Hoare annotation was computed. [2018-01-21 00:57:31,400 INFO L397 ceAbstractionStarter]: At program point L1440(line 1440) the Hoare annotation is: (and (or (and (= 0 f_22_put_~kobj.base) (= 0 f_22_put_~kobj.offset)) (not (= 0 |f_22_put_#in~kobj.offset|)) (not (= 0 |f_22_put_#in~kobj.base|))) (= |#valid| |old(#valid)|)) [2018-01-21 00:57:31,400 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 00:57:31,400 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:31,400 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 00:57:31,400 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 00:57:31,400 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 00:57:31,400 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 00:57:31,400 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,401 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 00:57:31,401 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:31,401 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:31,401 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:31,401 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 00:57:31,401 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 00:57:31,401 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,401 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,401 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,401 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,401 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:31,401 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:31,401 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 00:57:31,402 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 00:57:31,402 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:31,402 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 00:57:31,402 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,402 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 00:57:31,403 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 00:57:31,403 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:31,403 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:31,403 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 00:57:31,403 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 00:57:31,403 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:31,403 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 00:57:31,403 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:31,403 INFO L404 ceAbstractionStarter]: At program point L1436(line 1436) the Hoare annotation is: true [2018-01-21 00:57:31,403 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:31,403 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1435 1437) no Hoare annotation was computed. [2018-01-21 00:57:31,403 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1435 1437) the Hoare annotation is: true [2018-01-21 00:57:31,403 INFO L401 ceAbstractionStarter]: For program point L1436'(line 1436) no Hoare annotation was computed. [2018-01-21 00:57:31,403 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:31,403 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,403 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 00:57:31,403 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,404 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 00:57:31,404 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,404 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:31,404 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:31,404 INFO L397 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:31,404 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:57:31,404 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:31,404 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 00:57:31,404 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 00:57:31,404 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~30.offset) (= 0 entry_point_~kobj~30.base)) [2018-01-21 00:57:31,404 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 00:57:31,404 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 00:57:31,404 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:31,404 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 00:57:31,404 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:31,405 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 00:57:31,405 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 00:57:31,406 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:31,406 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:31,406 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:31,406 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:31,406 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:31,406 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:31,406 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:31,406 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-21 00:57:31,406 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 00:57:31,407 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:31,407 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:31,408 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 00:57:31,408 INFO L82 PathProgramCache]: Analyzing trace with hash -2041423772, now seen corresponding path program 1 times [2018-01-21 00:57:31,408 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:31,409 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,409 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:31,409 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,409 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:31,413 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:31,429 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 00:57:31,430 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:31,430 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 00:57:31,430 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:31,430 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 00:57:31,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 00:57:31,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 00:57:31,430 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2018-01-21 00:57:31,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:31,547 INFO L93 Difference]: Finished difference Result 151 states and 160 transitions. [2018-01-21 00:57:31,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 00:57:31,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-01-21 00:57:31,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:31,547 INFO L225 Difference]: With dead ends: 151 [2018-01-21 00:57:31,548 INFO L226 Difference]: Without dead ends: 16 [2018-01-21 00:57:31,548 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 00:57:31,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-01-21 00:57:31,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-01-21 00:57:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-01-21 00:57:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-01-21 00:57:31,550 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2018-01-21 00:57:31,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:31,550 INFO L432 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-01-21 00:57:31,550 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 00:57:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-01-21 00:57:31,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-21 00:57:31,551 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:31,551 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:31,551 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 00:57:31,551 INFO L82 PathProgramCache]: Analyzing trace with hash 991720326, now seen corresponding path program 1 times [2018-01-21 00:57:31,551 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:31,552 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,552 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:31,552 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,553 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:57:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:57:31,591 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 00:57:31,598 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:31,600 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:31,610 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:31,610 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:31,611 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:31,611 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:31,611 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:31,611 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:31,611 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:31,611 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 00:57:31,611 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:31,613 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:31,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 00:57:31,613 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:31,614 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 00:57:31,614 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 00:57:31,614 INFO L82 PathProgramCache]: Analyzing trace with hash 230125, now seen corresponding path program 1 times [2018-01-21 00:57:31,614 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:31,615 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,615 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:31,615 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,615 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:57:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:57:31,619 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 00:57:31,620 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:31,621 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:31,621 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:31,621 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:31,621 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:31,622 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:31,622 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:31,622 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:31,622 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_atomic_sub_returnErr0EnsuresViolation======== [2018-01-21 00:57:31,622 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:31,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-01-21 00:57:31,624 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:31,624 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] [2018-01-21 00:57:31,625 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_atomic_sub_returnErr0EnsuresViolation]=== [2018-01-21 00:57:31,625 INFO L82 PathProgramCache]: Analyzing trace with hash 2078360768, now seen corresponding path program 1 times [2018-01-21 00:57:31,625 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:31,626 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,626 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:31,626 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,626 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:31,636 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:57:31,719 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:31,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-21 00:57:31,719 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:31,720 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-21 00:57:31,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-21 00:57:31,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-01-21 00:57:31,720 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 9 states. [2018-01-21 00:57:31,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:31,874 INFO L93 Difference]: Finished difference Result 233 states and 251 transitions. [2018-01-21 00:57:31,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-21 00:57:31,875 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 46 [2018-01-21 00:57:31,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:31,875 INFO L225 Difference]: With dead ends: 233 [2018-01-21 00:57:31,875 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:31,876 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-01-21 00:57:31,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:31,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:31,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-01-21 00:57:31,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:31,876 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:31,876 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-21 00:57:31,876 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:31,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:31,878 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:31,878 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:31,878 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:31,878 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:31,878 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:31,878 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:31,878 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:31,878 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation======== [2018-01-21 00:57:31,878 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:31,879 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:31,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-01-21 00:57:31,880 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:31,880 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] [2018-01-21 00:57:31,880 INFO L371 AbstractCegarLoop]: === Iteration 1 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 00:57:31,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1168624388, now seen corresponding path program 1 times [2018-01-21 00:57:31,880 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:31,881 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,881 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:31,881 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:31,881 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:31,889 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:31,987 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 00:57:31,987 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:31,987 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-21 00:57:31,987 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:31,988 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-21 00:57:31,989 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-21 00:57:31,989 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-01-21 00:57:31,989 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 9 states. [2018-01-21 00:57:32,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:32,046 INFO L93 Difference]: Finished difference Result 233 states and 251 transitions. [2018-01-21 00:57:32,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-21 00:57:32,046 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-01-21 00:57:32,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:32,047 INFO L225 Difference]: With dead ends: 233 [2018-01-21 00:57:32,048 INFO L226 Difference]: Without dead ends: 124 [2018-01-21 00:57:32,048 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-01-21 00:57:32,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-01-21 00:57:32,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2018-01-21 00:57:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-01-21 00:57:32,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 130 transitions. [2018-01-21 00:57:32,056 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 130 transitions. Word has length 64 [2018-01-21 00:57:32,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:32,056 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 130 transitions. [2018-01-21 00:57:32,056 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-21 00:57:32,056 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-01-21 00:57:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-01-21 00:57:32,057 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:32,057 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:32,058 INFO L371 AbstractCegarLoop]: === Iteration 2 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 00:57:32,058 INFO L82 PathProgramCache]: Analyzing trace with hash -2079182225, now seen corresponding path program 1 times [2018-01-21 00:57:32,058 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:32,059 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,059 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:32,059 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,059 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:32,066 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:32,118 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 00:57:32,118 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:32,118 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:57:32,118 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:32,119 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 00:57:32,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 00:57:32,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 00:57:32,119 INFO L87 Difference]: Start difference. First operand 122 states and 130 transitions. Second operand 5 states. [2018-01-21 00:57:32,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:32,135 INFO L93 Difference]: Finished difference Result 230 states and 245 transitions. [2018-01-21 00:57:32,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:57:32,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-01-21 00:57:32,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:32,136 INFO L225 Difference]: With dead ends: 230 [2018-01-21 00:57:32,137 INFO L226 Difference]: Without dead ends: 122 [2018-01-21 00:57:32,137 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 00:57:32,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-01-21 00:57:32,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-01-21 00:57:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-01-21 00:57:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2018-01-21 00:57:32,145 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 129 transitions. Word has length 76 [2018-01-21 00:57:32,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:32,145 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 129 transitions. [2018-01-21 00:57:32,145 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 00:57:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2018-01-21 00:57:32,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-01-21 00:57:32,146 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:32,146 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:32,147 INFO L371 AbstractCegarLoop]: === Iteration 3 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 00:57:32,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1649621773, now seen corresponding path program 1 times [2018-01-21 00:57:32,147 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:32,148 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,148 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:32,148 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,148 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:32,157 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:32,187 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 00:57:32,188 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:32,188 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 00:57:32,188 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:32,188 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 00:57:32,189 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 00:57:32,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 00:57:32,189 INFO L87 Difference]: Start difference. First operand 122 states and 129 transitions. Second operand 4 states. [2018-01-21 00:57:32,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:32,209 INFO L93 Difference]: Finished difference Result 122 states and 129 transitions. [2018-01-21 00:57:32,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 00:57:32,210 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2018-01-21 00:57:32,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:32,210 INFO L225 Difference]: With dead ends: 122 [2018-01-21 00:57:32,210 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:32,211 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 00:57:32,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:32,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:32,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:32,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2018-01-21 00:57:32,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:32,212 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:32,212 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 00:57:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:32,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:32,213 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:32,213 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:32,214 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:32,214 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:32,214 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:32,214 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:32,214 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:32,214 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_putErr0EnsuresViolation======== [2018-01-21 00:57:32,214 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-01-21 00:57:32,217 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:32,217 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] [2018-01-21 00:57:32,217 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-21 00:57:32,217 INFO L82 PathProgramCache]: Analyzing trace with hash -261801707, now seen corresponding path program 1 times [2018-01-21 00:57:32,217 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:32,218 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,219 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:32,219 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,219 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:32,229 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:32,350 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 00:57:32,350 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:32,350 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-21 00:57:32,351 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:32,351 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-21 00:57:32,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-21 00:57:32,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-01-21 00:57:32,351 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 9 states. [2018-01-21 00:57:32,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:32,473 INFO L93 Difference]: Finished difference Result 233 states and 251 transitions. [2018-01-21 00:57:32,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-21 00:57:32,473 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2018-01-21 00:57:32,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:32,474 INFO L225 Difference]: With dead ends: 233 [2018-01-21 00:57:32,474 INFO L226 Difference]: Without dead ends: 124 [2018-01-21 00:57:32,475 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-01-21 00:57:32,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-01-21 00:57:32,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2018-01-21 00:57:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-01-21 00:57:32,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 130 transitions. [2018-01-21 00:57:32,483 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 130 transitions. Word has length 53 [2018-01-21 00:57:32,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:32,483 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 130 transitions. [2018-01-21 00:57:32,483 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-21 00:57:32,483 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-01-21 00:57:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-01-21 00:57:32,484 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:32,484 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 00:57:32,484 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-21 00:57:32,485 INFO L82 PathProgramCache]: Analyzing trace with hash -133085558, now seen corresponding path program 1 times [2018-01-21 00:57:32,485 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:32,486 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,486 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:32,486 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,486 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:32,494 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:32,542 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 00:57:32,542 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:32,542 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:57:32,542 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:32,543 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 00:57:32,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 00:57:32,543 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 00:57:32,543 INFO L87 Difference]: Start difference. First operand 122 states and 130 transitions. Second operand 5 states. [2018-01-21 00:57:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:32,557 INFO L93 Difference]: Finished difference Result 230 states and 245 transitions. [2018-01-21 00:57:32,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:57:32,558 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-01-21 00:57:32,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:32,559 INFO L225 Difference]: With dead ends: 230 [2018-01-21 00:57:32,559 INFO L226 Difference]: Without dead ends: 122 [2018-01-21 00:57:32,559 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 00:57:32,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-01-21 00:57:32,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-01-21 00:57:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-01-21 00:57:32,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2018-01-21 00:57:32,567 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 129 transitions. Word has length 65 [2018-01-21 00:57:32,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:32,567 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 129 transitions. [2018-01-21 00:57:32,567 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 00:57:32,567 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2018-01-21 00:57:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-01-21 00:57:32,568 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:32,568 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:32,568 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-21 00:57:32,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1369475924, now seen corresponding path program 1 times [2018-01-21 00:57:32,568 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:32,569 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,569 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:32,569 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,570 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:32,578 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:32,627 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 00:57:32,627 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:32,628 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 00:57:32,628 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:32,628 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 00:57:32,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 00:57:32,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 00:57:32,629 INFO L87 Difference]: Start difference. First operand 122 states and 129 transitions. Second operand 4 states. [2018-01-21 00:57:32,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:32,648 INFO L93 Difference]: Finished difference Result 122 states and 129 transitions. [2018-01-21 00:57:32,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 00:57:32,648 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-01-21 00:57:32,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:32,649 INFO L225 Difference]: With dead ends: 122 [2018-01-21 00:57:32,649 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:32,650 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 00:57:32,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:32,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:32,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:32,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:32,650 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-01-21 00:57:32,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:32,651 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:32,651 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 00:57:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:32,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:32,652 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:32,652 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:32,652 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:32,652 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:32,653 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:32,653 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:32,653 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:32,653 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_getErr0EnsuresViolation======== [2018-01-21 00:57:32,653 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 00:57:32,655 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:32,655 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 00:57:32,655 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_getErr0EnsuresViolation]=== [2018-01-21 00:57:32,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1859979838, now seen corresponding path program 1 times [2018-01-21 00:57:32,655 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:32,656 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,656 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:32,657 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,657 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:32,663 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:32,669 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 00:57:32,669 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:32,669 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 00:57:32,669 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:32,669 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 00:57:32,670 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 00:57:32,670 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 00:57:32,670 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-01-21 00:57:32,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:32,675 INFO L93 Difference]: Finished difference Result 149 states and 158 transitions. [2018-01-21 00:57:32,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 00:57:32,675 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2018-01-21 00:57:32,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:32,675 INFO L225 Difference]: With dead ends: 149 [2018-01-21 00:57:32,675 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:32,676 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 00:57:32,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:32,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:32,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 00:57:32,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:32,677 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:32,677 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 00:57:32,677 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:32,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:32,678 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:32,679 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:32,679 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:32,679 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:32,679 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:32,679 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:32,679 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:32,679 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == f_22_getErr0EnsuresViolation======== [2018-01-21 00:57:32,679 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:32,681 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:32,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 00:57:32,681 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:32,681 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 00:57:32,682 INFO L371 AbstractCegarLoop]: === Iteration 1 === [f_22_getErr0EnsuresViolation]=== [2018-01-21 00:57:32,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1286097908, now seen corresponding path program 1 times [2018-01-21 00:57:32,682 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:32,683 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,683 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:32,683 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,683 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:32,689 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:32,694 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 00:57:32,695 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:32,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 00:57:32,695 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:32,695 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 00:57:32,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 00:57:32,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 00:57:32,696 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-01-21 00:57:32,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:32,700 INFO L93 Difference]: Finished difference Result 149 states and 158 transitions. [2018-01-21 00:57:32,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 00:57:32,700 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-01-21 00:57:32,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:32,701 INFO L225 Difference]: With dead ends: 149 [2018-01-21 00:57:32,701 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:32,701 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 00:57:32,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:32,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 00:57:32,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:32,703 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:32,703 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 00:57:32,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:32,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:32,704 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:32,704 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:32,704 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:32,704 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:32,704 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:32,705 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:32,705 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:32,705 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 00:57:32,705 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 00:57:32,707 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:32,707 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:32,707 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 00:57:32,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1734876600, now seen corresponding path program 1 times [2018-01-21 00:57:32,708 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:32,709 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,709 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:32,709 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,709 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:57:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:57:32,735 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 00:57:32,739 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:32,740 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:32,741 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:32,742 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:32,743 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:32,743 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:32,744 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:32,745 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:32,745 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:32,746 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:32,746 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:57:32,750 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:32,751 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:32,751 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:32,751 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:32,751 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:32,751 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:32,751 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:32,751 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-21 00:57:32,751 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-01-21 00:57:32,754 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:32,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:57:32,754 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-21 00:57:32,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1641121090, now seen corresponding path program 1 times [2018-01-21 00:57:32,754 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:32,755 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,755 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:32,755 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,755 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:32,764 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:32,803 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 00:57:32,803 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:32,803 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 00:57:32,803 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:32,803 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 00:57:32,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 00:57:32,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 00:57:32,804 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2018-01-21 00:57:32,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:32,916 INFO L93 Difference]: Finished difference Result 151 states and 160 transitions. [2018-01-21 00:57:32,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 00:57:32,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-01-21 00:57:32,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:32,917 INFO L225 Difference]: With dead ends: 151 [2018-01-21 00:57:32,917 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:32,918 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 00:57:32,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:32,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:32,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:32,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2018-01-21 00:57:32,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:32,919 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:32,919 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 00:57:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:32,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:32,920 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:57:32,920 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:57:32,920 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:57:32,920 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:57:32,920 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:57:32,921 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:57:32,921 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:57:32,921 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_init_internalErr0EnsuresViolation======== [2018-01-21 00:57:32,921 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:57:32,922 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-01-21 00:57:32,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 00:57:32,923 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:57:32,923 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 00:57:32,923 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_init_internalErr0EnsuresViolation]=== [2018-01-21 00:57:32,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1939846545, now seen corresponding path program 1 times [2018-01-21 00:57:32,923 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:57:32,924 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,924 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:57:32,924 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:57:32,924 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:57:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:57:32,930 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:57:32,955 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 00:57:32,956 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:57:32,956 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:57:32,956 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:57:32,956 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 00:57:32,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 00:57:32,956 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 00:57:32,957 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 5 states. [2018-01-21 00:57:32,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:57:32,972 INFO L93 Difference]: Finished difference Result 277 states and 303 transitions. [2018-01-21 00:57:32,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:57:32,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-01-21 00:57:32,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:57:32,973 INFO L225 Difference]: With dead ends: 277 [2018-01-21 00:57:32,973 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:57:32,974 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 00:57:32,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:57:32,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:57:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:57:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:57:32,975 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 00:57:32,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:57:32,975 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:57:32,975 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 00:57:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:57:32,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:57:32,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 12:57:32 BoogieIcfgContainer [2018-01-21 00:57:32,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 00:57:32,979 INFO L168 Benchmark]: Toolchain (without parser) took 6817.16 ms. Allocated memory was 303.0 MB in the beginning and 554.2 MB in the end (delta: 251.1 MB). Free memory was 260.4 MB in the beginning and 381.3 MB in the end (delta: -120.9 MB). Peak memory consumption was 130.2 MB. Max. memory is 5.3 GB. [2018-01-21 00:57:32,981 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 303.0 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 00:57:32,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.38 ms. Allocated memory is still 303.0 MB. Free memory was 260.4 MB in the beginning and 246.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 5.3 GB. [2018-01-21 00:57:32,982 INFO L168 Benchmark]: Boogie Preprocessor took 48.34 ms. Allocated memory is still 303.0 MB. Free memory was 246.2 MB in the beginning and 244.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 00:57:32,982 INFO L168 Benchmark]: RCFGBuilder took 488.39 ms. Allocated memory is still 303.0 MB. Free memory was 244.2 MB in the beginning and 209.4 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 5.3 GB. [2018-01-21 00:57:32,982 INFO L168 Benchmark]: TraceAbstraction took 6021.10 ms. Allocated memory was 303.0 MB in the beginning and 554.2 MB in the end (delta: 251.1 MB). Free memory was 209.4 MB in the beginning and 381.3 MB in the end (delta: -171.9 MB). Peak memory consumption was 79.2 MB. Max. memory is 5.3 GB. [2018-01-21 00:57:32,984 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 303.0 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 252.38 ms. Allocated memory is still 303.0 MB. Free memory was 260.4 MB in the beginning and 246.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 48.34 ms. Allocated memory is still 303.0 MB. Free memory was 246.2 MB in the beginning and 244.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 488.39 ms. Allocated memory is still 303.0 MB. Free memory was 244.2 MB in the beginning and 209.4 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6021.10 ms. Allocated memory was 303.0 MB in the beginning and 554.2 MB in the end (delta: 251.1 MB). Free memory was 209.4 MB in the beginning and 381.3 MB in the end (delta: -171.9 MB). Peak memory consumption was 79.2 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) - 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 147 SDtfs, 4 SDslu, 436 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=149occurred 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, 46 LocationsWithAnnotation, 82 PreInvPairs, 87 NumberOfFragments, 46 HoareAnnotationTreeSize, 82 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 74 SDslu, 3 SDs, 0 SdLazy, 44 SolverSat, 44 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=149occurred 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, 46 LocationsWithAnnotation, 48 PreInvPairs, 48 NumberOfFragments, 98 HoareAnnotationTreeSize, 48 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 36 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 287 SDtfs, 19 SDslu, 1402 SDs, 0 SdLazy, 77 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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, 46 LocationsWithAnnotation, 103 PreInvPairs, 106 NumberOfFragments, 101 HoareAnnotationTreeSize, 103 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 14957 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1253]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_atomic_add_returnErr0EnsuresViolation CFG has 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 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=149occurred 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, 46 LocationsWithAnnotation, 48 PreInvPairs, 48 NumberOfFragments, 46 HoareAnnotationTreeSize, 48 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, 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: 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 287 SDtfs, 19 SDslu, 1402 SDs, 0 SdLazy, 77 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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, 46 LocationsWithAnnotation, 103 PreInvPairs, 106 NumberOfFragments, 101 HoareAnnotationTreeSize, 103 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 209 ConstructedInterpolants, 0 QuantifiedInterpolants, 20621 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 287 SDtfs, 19 SDslu, 1402 SDs, 0 SdLazy, 77 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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, 46 LocationsWithAnnotation, 103 PreInvPairs, 106 NumberOfFragments, 101 HoareAnnotationTreeSize, 103 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 19617 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: 1452]: 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 65 SDslu, 3 SDs, 0 SdLazy, 44 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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, 46 LocationsWithAnnotation, 48 PreInvPairs, 48 NumberOfFragments, 98 HoareAnnotationTreeSize, 48 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 5060 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 147 SDtfs, 4 SDslu, 436 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=149occurred 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, 46 LocationsWithAnnotation, 82 PreInvPairs, 87 NumberOfFragments, 46 HoareAnnotationTreeSize, 82 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 2257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1301]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_getErr0EnsuresViolation CFG has 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 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=149occurred 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, 46 LocationsWithAnnotation, 48 PreInvPairs, 48 NumberOfFragments, 46 HoareAnnotationTreeSize, 48 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 35 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 - 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 78 SDslu, 3 SDs, 0 SdLazy, 44 SolverSat, 46 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=149occurred 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, 46 LocationsWithAnnotation, 48 PreInvPairs, 48 NumberOfFragments, 98 HoareAnnotationTreeSize, 48 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 1435 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: 1439]: 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: f_22_putErr0EnsuresViolation CFG has 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 76 SDslu, 3 SDs, 0 SdLazy, 44 SolverSat, 44 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=149occurred 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, 46 LocationsWithAnnotation, 48 PreInvPairs, 48 NumberOfFragments, 98 HoareAnnotationTreeSize, 48 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 1887 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 147 SDtfs, 4 SDslu, 436 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=149occurred 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, 46 LocationsWithAnnotation, 82 PreInvPairs, 87 NumberOfFragments, 46 HoareAnnotationTreeSize, 82 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 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: [L1453] CALL entry_point() [L1445] struct ldv_kobject *kobj; [L1446] 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 23 procedures, 149 locations, 22 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 78 SDslu, 3 SDs, 0 SdLazy, 44 SolverSat, 46 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=149occurred 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 23 procedures, 149 locations, 22 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=149occurred 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 146 SDtfs, 17 SDslu, 1015 SDs, 0 SdLazy, 56 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 4455 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 287 SDtfs, 19 SDslu, 1402 SDs, 0 SdLazy, 77 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 215 ConstructedInterpolants, 0 QuantifiedInterpolants, 21649 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 287 SDtfs, 19 SDslu, 1402 SDs, 0 SdLazy, 77 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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, 0.2s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 16292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1371]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_getErr0EnsuresViolation CFG has 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 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=149occurred 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, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 625 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: 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: f_22_getErr0EnsuresViolation CFG has 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 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=149occurred 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, 784 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: [L1453] CALL entry_point() [L1445] struct ldv_kobject *kobj; [L1446] 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}] [L1446] EXPR ldv_kobject_create() VAL [ldv_kobject_create()={0:0}] [L1446] kobj = ldv_kobject_create() [L1447] CALL f_22_get(kobj) VAL [kobj={0:0}] [L1436] CALL ldv_kobject_get(kobj) VAL [kobj={0:0}] [L1373] COND FALSE !(\read(*kobj)) VAL [kobj={0:0}, kobj={0:0}] [L1375] RET return kobj; VAL [\result={0:0}, kobj={0:0}, kobj={0:0}] [L1436] RET ldv_kobject_get(kobj) VAL [kobj={0:0}, kobj={0:0}, ldv_kobject_get(kobj)={0:0}] [L1447] f_22_get(kobj) VAL [kobj={0:0}] [L1448] CALL f_22_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) VAL [kobj={0:0}] [L1449] CALL ldv_kobject_put(kobj) VAL [kobj={0:0}] [L1361] COND FALSE !(\read(*kobj)) VAL [kobj={0:0}, kobj={0:0}] [L1449] FCALL ldv_kobject_put(kobj) - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 23 procedures, 149 locations, 22 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=149occurred 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, 49 NumberOfCodeBlocks, 49 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: 1444]: 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 66 SDslu, 3 SDs, 0 SdLazy, 44 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=149occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 4488 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 23 procedures, 149 locations, 22 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 147 SDtfs, 4 SDslu, 436 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=149occurred 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_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-15-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-16-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-17-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-18-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-19-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-20-2018-01-21_00-57-33-000.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-21-2018-01-21_00-57-33-000.csv Received shutdown request...