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_precise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_4_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 06:12:43,995 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 06:12:43,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 06:12:44,011 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 06:12:44,012 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 06:12:44,013 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 06:12:44,013 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 06:12:44,015 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 06:12:44,017 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 06:12:44,017 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 06:12:44,018 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 06:12:44,019 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 06:12:44,020 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 06:12:44,021 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 06:12:44,022 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 06:12:44,024 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 06:12:44,026 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 06:12:44,028 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 06:12:44,029 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 06:12:44,030 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 06:12:44,032 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 06:12:44,037 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 06:12:44,038 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 06:12:44,038 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_precise.epf [2018-01-21 06:12:44,048 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 06:12:44,048 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 06:12:44,049 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 06:12:44,049 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 06:12:44,050 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 06:12:44,050 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 06:12:44,050 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 06:12:44,050 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 06:12:44,051 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 06:12:44,051 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 06:12:44,051 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 06:12:44,051 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 06:12:44,052 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 06:12:44,052 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 06:12:44,052 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 06:12:44,052 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 06:12:44,052 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 06:12:44,053 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 06:12:44,053 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 06:12:44,053 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 06:12:44,053 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 06:12:44,053 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 06:12:44,054 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 06:12:44,054 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 06:12:44,054 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 06:12:44,054 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 06:12:44,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 06:12:44,055 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 06:12:44,055 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 06:12:44,055 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 06:12:44,055 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 06:12:44,055 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 06:12:44,056 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 06:12:44,056 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 06:12:44,056 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 06:12:44,056 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 06:12:44,056 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 06:12:44,057 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 06:12:44,057 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 06:12:44,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 06:12:44,144 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 06:12:44,148 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 06:12:44,150 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 06:12:44,150 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 06:12:44,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_4_false-valid-memtrack_true-termination.i [2018-01-21 06:12:44,363 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 06:12:44,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 06:12:44,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 06:12:44,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 06:12:44,373 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 06:12:44,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 06:12:44" (1/1) ... [2018-01-21 06:12:44,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66067239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:44, skipping insertion in model container [2018-01-21 06:12:44,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 06:12:44" (1/1) ... [2018-01-21 06:12:44,390 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 06:12:44,438 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 06:12:44,578 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 06:12:44,607 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 06:12:44,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:44 WrapperNode [2018-01-21 06:12:44,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 06:12:44,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 06:12:44,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 06:12:44,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 06:12:44,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:44" (1/1) ... [2018-01-21 06:12:44,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:44" (1/1) ... [2018-01-21 06:12:44,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:44" (1/1) ... [2018-01-21 06:12:44,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:44" (1/1) ... [2018-01-21 06:12:44,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:44" (1/1) ... [2018-01-21 06:12:44,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:44" (1/1) ... [2018-01-21 06:12:44,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:44" (1/1) ... [2018-01-21 06:12:44,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 06:12:44,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 06:12:44,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 06:12:44,667 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 06:12:44,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:44" (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 06:12:44,718 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 06:12:44,718 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 06:12:44,718 INFO L136 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-01-21 06:12:44,718 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 06:12:44,718 INFO L136 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-01-21 06:12:44,718 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-01-21 06:12:44,718 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-01-21 06:12:44,718 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-01-21 06:12:44,719 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-01-21 06:12:44,719 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-01-21 06:12:44,719 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-01-21 06:12:44,719 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-01-21 06:12:44,719 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-01-21 06:12:44,719 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-01-21 06:12:44,719 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-01-21 06:12:44,719 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-01-21 06:12:44,719 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-01-21 06:12:44,720 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-01-21 06:12:44,720 INFO L136 BoogieDeclarations]: Found implementation of procedure f_22_get [2018-01-21 06:12:44,720 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 06:12:44,720 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 06:12:44,720 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 06:12:44,720 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 06:12:44,720 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 06:12:44,720 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 06:12:44,720 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 06:12:44,720 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 06:12:44,721 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 06:12:44,721 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-21 06:12:44,721 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-21 06:12:44,721 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 06:12:44,721 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 06:12:44,721 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 06:12:44,721 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-21 06:12:44,721 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 06:12:44,721 INFO L128 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-01-21 06:12:44,721 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-01-21 06:12:44,721 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-01-21 06:12:44,722 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-01-21 06:12:44,722 INFO L128 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-01-21 06:12:44,722 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-01-21 06:12:44,722 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-01-21 06:12:44,722 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-01-21 06:12:44,722 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-01-21 06:12:44,722 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-01-21 06:12:44,722 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-01-21 06:12:44,722 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-01-21 06:12:44,722 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-01-21 06:12:44,723 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-01-21 06:12:44,723 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-01-21 06:12:44,723 INFO L128 BoogieDeclarations]: Found specification of procedure f_22_get [2018-01-21 06:12:44,723 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 06:12:44,723 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 06:12:44,723 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 06:12:44,723 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 06:12:45,152 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 06:12:45,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 06:12:45 BoogieIcfgContainer [2018-01-21 06:12:45,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 06:12:45,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 06:12:45,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 06:12:45,157 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 06:12:45,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 06:12:44" (1/3) ... [2018-01-21 06:12:45,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42812282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 06:12:45, skipping insertion in model container [2018-01-21 06:12:45,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:44" (2/3) ... [2018-01-21 06:12:45,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42812282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 06:12:45, skipping insertion in model container [2018-01-21 06:12:45,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 06:12:45" (3/3) ... [2018-01-21 06:12:45,162 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test22_4_false-valid-memtrack_true-termination.i [2018-01-21 06:12:45,170 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 06:12:45,178 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2018-01-21 06:12:45,220 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:45,220 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:45,220 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:45,221 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:45,221 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:45,221 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:45,221 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:45,221 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_initErr0EnsuresViolation======== [2018-01-21 06:12:45,222 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 06:12:45,247 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:45,248 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 06:12:45,248 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0EnsuresViolation]=== [2018-01-21 06:12:45,252 INFO L82 PathProgramCache]: Analyzing trace with hash 221341546, now seen corresponding path program 1 times [2018-01-21 06:12:45,253 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:45,300 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:45,301 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:45,301 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:45,301 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:45,375 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:45,601 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 06:12:45,604 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:45,604 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 06:12:45,604 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:45,609 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 06:12:45,620 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 06:12:45,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 06:12:45,623 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 5 states. [2018-01-21 06:12:45,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:45,695 INFO L93 Difference]: Finished difference Result 265 states and 289 transitions. [2018-01-21 06:12:45,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:45,697 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-21 06:12:45,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:45,702 INFO L225 Difference]: With dead ends: 265 [2018-01-21 06:12:45,702 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:45,706 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 06:12:45,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:45,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:45,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 06:12:45,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:45,726 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:45,726 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 06:12:45,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:45,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:45,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:45,833 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:45,833 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:45,833 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:45,833 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 06:12:45,834 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 06:12:45,834 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 06:12:45,834 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:45,834 INFO L404 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: true [2018-01-21 06:12:45,834 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 06:12:45,834 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 06:12:45,834 INFO L404 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: true [2018-01-21 06:12:45,834 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: true [2018-01-21 06:12:45,835 INFO L404 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: true [2018-01-21 06:12:45,835 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:45,835 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 06:12:45,835 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:45,835 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:45,835 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:45,836 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:45,836 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:45,836 INFO L404 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: true [2018-01-21 06:12:45,836 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:45,836 INFO L404 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: true [2018-01-21 06:12:45,836 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:45,836 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 06:12:45,836 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:45,836 INFO L404 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: true [2018-01-21 06:12:45,837 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 06:12:45,837 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:45,837 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 06:12:45,837 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:45,837 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:45,837 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:45,837 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:45,838 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:45,838 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:45,838 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:45,838 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:45,838 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: true [2018-01-21 06:12:45,838 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:45,839 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:45,839 INFO L404 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: true [2018-01-21 06:12:45,839 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:45,839 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 06:12:45,839 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:45,839 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 06:12:45,839 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: true [2018-01-21 06:12:45,839 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:45,840 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:45,840 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:45,840 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:45,840 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: true [2018-01-21 06:12:45,840 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:45,840 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:45,840 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:45,841 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 06:12:45,841 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:45,841 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:45,841 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:45,841 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:45,841 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:45,841 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 06:12:45,841 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:45,841 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:45,841 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:45,841 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 06:12:45,841 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 06:12:45,842 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:45,842 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 06:12:45,842 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:45,842 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: true [2018-01-21 06:12:45,842 INFO L404 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: true [2018-01-21 06:12:45,842 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:45,842 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:45,842 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 06:12:45,842 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:45,842 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 06:12:45,842 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 06:12:45,842 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 06:12:45,843 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:45,843 INFO L404 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: true [2018-01-21 06:12:45,843 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:45,843 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:45,843 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:45,843 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:45,843 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:45,843 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:45,843 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:45,843 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:45,844 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:45,844 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:45,844 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:45,844 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:45,844 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 06:12:45,844 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:45,844 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:45,844 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:45,844 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:45,845 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:45,845 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:45,845 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:45,845 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:45,845 INFO L404 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:45,845 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:45,845 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:45,846 INFO L404 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: true [2018-01-21 06:12:45,846 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:45,846 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 06:12:45,846 INFO L404 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: true [2018-01-21 06:12:45,846 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:45,846 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 06:12:45,846 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:45,846 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:45,847 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:45,847 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 06:12:45,847 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:45,847 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:45,847 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:45,847 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:45,847 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 06:12:45,848 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:45,848 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1436 1438) the Hoare annotation is: true [2018-01-21 06:12:45,848 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 06:12:45,848 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:45,848 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:45,848 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:45,848 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:45,848 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:45,848 INFO L404 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: true [2018-01-21 06:12:45,848 INFO L404 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: true [2018-01-21 06:12:45,848 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:45,849 INFO L404 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: true [2018-01-21 06:12:45,849 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:45,849 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:45,849 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 06:12:45,849 INFO L404 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: true [2018-01-21 06:12:45,849 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 06:12:45,849 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 06:12:45,849 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:45,849 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 06:12:45,850 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:45,850 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:45,850 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 06:12:45,854 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:45,854 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:45,855 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:45,855 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:45,855 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:45,855 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:45,855 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:45,855 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_createErr0EnsuresViolation======== [2018-01-21 06:12:45,855 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:45,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-21 06:12:45,860 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:45,860 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 06:12:45,860 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_createErr0EnsuresViolation]=== [2018-01-21 06:12:45,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1811703761, now seen corresponding path program 1 times [2018-01-21 06:12:45,861 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:45,862 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:45,863 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:45,863 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:45,863 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:45,881 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:45,923 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 06:12:45,923 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:45,924 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 06:12:45,924 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:45,924 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 06:12:45,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 06:12:45,924 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 06:12:45,924 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2018-01-21 06:12:46,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:46,127 INFO L93 Difference]: Finished difference Result 145 states and 153 transitions. [2018-01-21 06:12:46,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 06:12:46,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-01-21 06:12:46,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:46,128 INFO L225 Difference]: With dead ends: 145 [2018-01-21 06:12:46,128 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:46,129 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 06:12:46,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:46,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:46,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:46,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-21 06:12:46,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:46,130 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:46,130 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 06:12:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:46,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:46,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:46,268 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:46,268 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:46,268 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:46,268 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 06:12:46,268 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 06:12:46,268 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 06:12:46,268 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:46,268 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,268 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 06:12:46,268 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 06:12:46,269 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,269 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,269 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,269 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:46,269 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 06:12:46,269 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:46,269 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:46,269 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:46,269 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:46,269 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:46,269 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,269 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:46,269 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,270 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:46,270 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 06:12:46,270 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:46,270 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,270 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 06:12:46,270 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:46,270 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 06:12:46,270 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:46,270 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:46,271 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:46,271 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:46,271 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:46,271 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:46,271 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:46,271 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:46,271 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,271 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:46,271 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:46,271 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,272 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:46,272 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 06:12:46,272 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:46,272 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 06:12:46,272 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,272 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:46,272 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:46,272 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:46,272 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:46,272 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,273 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,273 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,273 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,273 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 06:12:46,273 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:46,273 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:46,273 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:46,273 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:46,273 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:46,273 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 06:12:46,273 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:46,273 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:46,273 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:46,274 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 06:12:46,274 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 06:12:46,274 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:46,274 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 06:12:46,274 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:46,274 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,274 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,274 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:46,274 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:46,274 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 06:12:46,274 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:46,274 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 06:12:46,274 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:46,275 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,275 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,275 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:46,276 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:46,276 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 06:12:46,276 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:46,276 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:46,276 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:46,276 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:46,276 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:46,277 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,277 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:46,277 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:46,277 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,277 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:46,277 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:46,277 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,277 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:46,278 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 06:12:46,278 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,278 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:46,278 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 06:12:46,278 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:46,278 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:46,278 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:46,278 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 06:12:46,278 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:46,279 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:46,279 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:46,279 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:46,279 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 06:12:46,279 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:46,279 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1436 1438) the Hoare annotation is: true [2018-01-21 06:12:46,279 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 06:12:46,279 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:46,280 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,280 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:46,280 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,280 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,280 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,280 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,280 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:46,281 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,281 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:46,281 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:46,281 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 06:12:46,281 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,281 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 06:12:46,281 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 06:12:46,281 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:46,281 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 06:12:46,281 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:46,282 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:46,282 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 06:12:46,284 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:46,285 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:46,285 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:46,285 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:46,285 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:46,285 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:46,285 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:46,285 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_subErr0EnsuresViolation======== [2018-01-21 06:12:46,285 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:46,288 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-01-21 06:12:46,291 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:46,291 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] [2018-01-21 06:12:46,291 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-21 06:12:46,291 INFO L82 PathProgramCache]: Analyzing trace with hash 120334956, now seen corresponding path program 1 times [2018-01-21 06:12:46,291 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:46,292 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:46,293 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:46,293 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:46,293 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:46,328 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:46,455 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 06:12:46,455 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:46,456 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 06:12:46,456 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:46,456 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 06:12:46,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 06:12:46,456 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 06:12:46,457 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 7 states. [2018-01-21 06:12:46,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:46,523 INFO L93 Difference]: Finished difference Result 215 states and 227 transitions. [2018-01-21 06:12:46,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 06:12:46,523 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2018-01-21 06:12:46,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:46,528 INFO L225 Difference]: With dead ends: 215 [2018-01-21 06:12:46,528 INFO L226 Difference]: Without dead ends: 110 [2018-01-21 06:12:46,529 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 06:12:46,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-01-21 06:12:46,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-01-21 06:12:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-01-21 06:12:46,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 116 transitions. [2018-01-21 06:12:46,555 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 116 transitions. Word has length 48 [2018-01-21 06:12:46,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:46,555 INFO L432 AbstractCegarLoop]: Abstraction has 110 states and 116 transitions. [2018-01-21 06:12:46,555 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 06:12:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 116 transitions. [2018-01-21 06:12:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-01-21 06:12:46,558 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:46,558 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 06:12:46,558 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-21 06:12:46,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1660339446, now seen corresponding path program 1 times [2018-01-21 06:12:46,559 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:46,560 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:46,560 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:46,560 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:46,560 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:46,577 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:46,645 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 06:12:46,646 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:46,646 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 06:12:46,646 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:46,647 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 06:12:46,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 06:12:46,648 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 06:12:46,648 INFO L87 Difference]: Start difference. First operand 110 states and 116 transitions. Second operand 5 states. [2018-01-21 06:12:46,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:46,678 INFO L93 Difference]: Finished difference Result 206 states and 217 transitions. [2018-01-21 06:12:46,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:46,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2018-01-21 06:12:46,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:46,681 INFO L225 Difference]: With dead ends: 206 [2018-01-21 06:12:46,681 INFO L226 Difference]: Without dead ends: 110 [2018-01-21 06:12:46,682 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 06:12:46,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-01-21 06:12:46,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-01-21 06:12:46,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-01-21 06:12:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 115 transitions. [2018-01-21 06:12:46,694 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 115 transitions. Word has length 60 [2018-01-21 06:12:46,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:46,694 INFO L432 AbstractCegarLoop]: Abstraction has 110 states and 115 transitions. [2018-01-21 06:12:46,695 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 06:12:46,695 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 115 transitions. [2018-01-21 06:12:46,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-01-21 06:12:46,697 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:46,697 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 06:12:46,697 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-21 06:12:46,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1308698488, now seen corresponding path program 1 times [2018-01-21 06:12:46,698 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:46,699 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:46,699 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:46,700 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:46,700 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:46,725 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:46,776 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 06:12:46,777 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:46,777 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 06:12:46,777 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:46,778 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 06:12:46,778 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 06:12:46,778 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 06:12:46,778 INFO L87 Difference]: Start difference. First operand 110 states and 115 transitions. Second operand 4 states. [2018-01-21 06:12:46,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:46,836 INFO L93 Difference]: Finished difference Result 110 states and 115 transitions. [2018-01-21 06:12:46,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 06:12:46,838 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-01-21 06:12:46,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:46,839 INFO L225 Difference]: With dead ends: 110 [2018-01-21 06:12:46,839 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:46,840 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 06:12:46,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:46,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:46,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-01-21 06:12:46,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:46,841 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:46,841 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 06:12:46,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:46,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:46,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:46,936 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:46,936 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:46,936 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:46,936 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 06:12:46,936 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 06:12:46,937 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 06:12:46,937 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:46,937 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 06:12:46,937 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 06:12:46,937 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 06:12:46,937 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,937 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,937 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 06:12:46,938 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:46,938 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 06:12:46,938 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:46,938 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:46,938 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:46,938 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:46,938 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:46,938 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,938 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:46,938 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,939 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:46,939 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 06:12:46,939 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:46,939 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,939 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 06:12:46,939 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:46,939 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 06:12:46,939 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:46,939 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:46,940 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:46,940 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:46,940 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:46,940 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:46,940 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:46,940 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:46,940 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,940 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:46,940 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:46,940 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,941 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:46,941 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 06:12:46,941 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:46,941 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 06:12:46,941 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,941 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:46,941 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:46,941 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:46,941 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:46,942 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,942 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,942 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,942 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,942 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 06:12:46,942 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:46,942 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:46,942 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:46,942 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:46,942 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:46,942 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 06:12:46,943 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:46,943 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:46,943 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:46,943 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 06:12:46,943 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 06:12:46,943 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:46,943 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 06:12:46,943 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:46,943 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,944 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 06:12:46,944 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:46,944 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:46,944 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 06:12:46,944 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:46,944 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 06:12:46,944 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 06:12:46,944 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 06:12:46,944 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:46,945 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,945 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:46,945 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:46,945 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:46,945 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:46,945 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:46,945 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:46,945 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,945 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,946 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,946 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,946 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:46,946 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:46,946 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 06:12:46,946 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:46,946 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:46,946 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:46,946 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:46,946 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:46,947 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,947 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:46,947 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:46,947 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,947 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:46,947 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:46,947 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,947 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:46,947 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 06:12:46,948 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,948 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:46,948 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 06:12:46,948 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:46,948 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:46,948 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:46,948 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 06:12:46,948 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:46,948 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:46,948 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:46,949 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:46,949 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 06:12:46,949 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:46,949 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1436 1438) the Hoare annotation is: true [2018-01-21 06:12:46,949 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 06:12:46,949 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:46,949 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,949 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:46,950 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,950 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:46,950 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,950 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:46,950 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:46,950 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:46,950 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:46,950 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:46,950 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 06:12:46,951 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:46,951 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 06:12:46,951 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 06:12:46,951 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:46,951 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 06:12:46,951 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:46,951 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:46,951 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 06:12:46,953 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:46,954 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:46,954 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:46,954 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:46,954 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:46,954 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:46,954 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:46,954 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_atomic_add_returnErr0EnsuresViolation======== [2018-01-21 06:12:46,954 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-01-21 06:12:46,958 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:46,958 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 06:12:46,958 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_atomic_add_returnErr0EnsuresViolation]=== [2018-01-21 06:12:46,958 INFO L82 PathProgramCache]: Analyzing trace with hash 27882319, now seen corresponding path program 1 times [2018-01-21 06:12:46,959 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:46,960 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:46,960 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:46,960 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:46,961 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:46,976 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:46,992 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 06:12:46,993 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:46,993 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 06:12:46,993 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:46,993 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 06:12:46,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 06:12:46,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 06:12:46,994 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-01-21 06:12:46,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:46,999 INFO L93 Difference]: Finished difference Result 143 states and 151 transitions. [2018-01-21 06:12:47,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 06:12:47,000 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 33 [2018-01-21 06:12:47,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:47,000 INFO L225 Difference]: With dead ends: 143 [2018-01-21 06:12:47,001 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:47,001 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 06:12:47,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:47,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:47,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:47,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:47,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-01-21 06:12:47,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:47,002 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:47,002 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 06:12:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:47,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:47,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:47,062 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:47,062 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:47,062 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:47,062 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 06:12:47,062 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 06:12:47,062 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 06:12:47,062 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:47,062 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 06:12:47,062 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 06:12:47,063 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 06:12:47,063 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,063 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,063 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 06:12:47,063 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:47,063 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 06:12:47,063 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:47,063 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:47,063 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:47,064 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:47,064 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:47,064 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,064 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:47,064 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,064 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:47,064 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 06:12:47,064 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:47,064 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,065 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 06:12:47,065 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:47,065 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 06:12:47,065 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:47,065 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:47,065 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:47,065 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:47,065 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:47,065 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:47,065 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:47,066 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:47,066 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,066 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:47,066 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:47,066 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,066 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:47,066 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 06:12:47,066 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:47,066 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 06:12:47,067 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,067 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:47,067 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:47,067 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:47,067 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:47,067 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,067 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,067 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,067 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,067 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:47,068 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:47,068 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 06:12:47,068 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:47,069 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,069 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 06:12:47,069 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:47,069 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:47,069 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 06:12:47,069 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:47,069 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 06:12:47,069 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 06:12:47,069 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 06:12:47,069 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:47,069 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,069 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:47,069 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:47,069 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:47,070 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,071 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:47,071 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:47,071 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,071 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:47,071 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:47,071 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,071 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:47,071 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 06:12:47,071 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,071 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:47,071 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 06:12:47,071 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:47,071 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:47,071 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:47,071 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 06:12:47,072 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:47,072 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:47,072 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:47,072 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:47,072 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 06:12:47,072 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:47,072 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1436 1438) the Hoare annotation is: true [2018-01-21 06:12:47,072 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 06:12:47,072 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:47,072 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,072 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:47,072 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,072 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,072 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,072 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:47,073 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:47,073 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,073 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:47,073 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:47,073 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 06:12:47,073 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:47,073 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 06:12:47,073 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 06:12:47,073 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:47,073 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 06:12:47,073 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:47,073 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:47,073 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 06:12:47,074 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:47,075 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:47,075 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:47,075 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:47,075 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:47,075 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:47,075 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:47,075 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_releaseErr0EnsuresViolation======== [2018-01-21 06:12:47,075 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:47,076 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:47,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-01-21 06:12:47,079 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:47,079 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 06:12:47,079 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 06:12:47,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1132178737, now seen corresponding path program 1 times [2018-01-21 06:12:47,080 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:47,081 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,081 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:47,081 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,081 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:47,101 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:47,191 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 06:12:47,191 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:47,191 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 06:12:47,191 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:47,191 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 06:12:47,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 06:12:47,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 06:12:47,192 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 7 states. [2018-01-21 06:12:47,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:47,256 INFO L93 Difference]: Finished difference Result 215 states and 227 transitions. [2018-01-21 06:12:47,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 06:12:47,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2018-01-21 06:12:47,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:47,259 INFO L225 Difference]: With dead ends: 215 [2018-01-21 06:12:47,259 INFO L226 Difference]: Without dead ends: 105 [2018-01-21 06:12:47,260 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 06:12:47,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-01-21 06:12:47,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-01-21 06:12:47,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-01-21 06:12:47,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 110 transitions. [2018-01-21 06:12:47,268 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 110 transitions. Word has length 60 [2018-01-21 06:12:47,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:47,268 INFO L432 AbstractCegarLoop]: Abstraction has 105 states and 110 transitions. [2018-01-21 06:12:47,268 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 06:12:47,268 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 110 transitions. [2018-01-21 06:12:47,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-01-21 06:12:47,269 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:47,269 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 06:12:47,269 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 06:12:47,270 INFO L82 PathProgramCache]: Analyzing trace with hash -735615379, now seen corresponding path program 1 times [2018-01-21 06:12:47,270 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:47,271 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,271 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:47,271 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,271 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:47,283 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:47,354 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 06:12:47,355 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:47,355 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 06:12:47,355 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:47,356 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 06:12:47,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 06:12:47,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 06:12:47,356 INFO L87 Difference]: Start difference. First operand 105 states and 110 transitions. Second operand 5 states. [2018-01-21 06:12:47,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:47,372 INFO L93 Difference]: Finished difference Result 196 states and 205 transitions. [2018-01-21 06:12:47,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:47,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-01-21 06:12:47,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:47,374 INFO L225 Difference]: With dead ends: 196 [2018-01-21 06:12:47,375 INFO L226 Difference]: Without dead ends: 105 [2018-01-21 06:12:47,375 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 06:12:47,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-01-21 06:12:47,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-01-21 06:12:47,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-01-21 06:12:47,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 109 transitions. [2018-01-21 06:12:47,384 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 109 transitions. Word has length 72 [2018-01-21 06:12:47,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:47,385 INFO L432 AbstractCegarLoop]: Abstraction has 105 states and 109 transitions. [2018-01-21 06:12:47,385 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 06:12:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 109 transitions. [2018-01-21 06:12:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-01-21 06:12:47,386 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:47,386 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 06:12:47,386 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 06:12:47,387 INFO L82 PathProgramCache]: Analyzing trace with hash -518605077, now seen corresponding path program 1 times [2018-01-21 06:12:47,387 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:47,388 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,388 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:47,388 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,388 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:47,399 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:47,455 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 06:12:47,455 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:47,456 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 06:12:47,456 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:47,456 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 06:12:47,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 06:12:47,457 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 06:12:47,457 INFO L87 Difference]: Start difference. First operand 105 states and 109 transitions. Second operand 4 states. [2018-01-21 06:12:47,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:47,480 INFO L93 Difference]: Finished difference Result 105 states and 109 transitions. [2018-01-21 06:12:47,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 06:12:47,480 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2018-01-21 06:12:47,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:47,481 INFO L225 Difference]: With dead ends: 105 [2018-01-21 06:12:47,481 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:47,481 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 06:12:47,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:47,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:47,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:47,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:47,482 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2018-01-21 06:12:47,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:47,482 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:47,482 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 06:12:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:47,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:47,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:47,561 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:47,561 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:47,561 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:47,561 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 06:12:47,561 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 06:12:47,561 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 06:12:47,561 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:47,562 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 06:12:47,562 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 06:12:47,562 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 06:12:47,562 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,562 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,562 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 06:12:47,562 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:47,562 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 06:12:47,562 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:47,562 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:47,562 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:47,562 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:47,563 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:47,563 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,563 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:47,563 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,563 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:47,563 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 06:12:47,563 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:47,563 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,563 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 06:12:47,563 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:47,563 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 06:12:47,563 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:47,564 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:47,564 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:47,564 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:47,564 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:47,564 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:47,564 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:47,564 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:47,564 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,564 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:47,564 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:47,564 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,564 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:47,565 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 06:12:47,565 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:47,565 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 06:12:47,565 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,565 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:47,565 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:47,565 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:47,565 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:47,565 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,565 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,565 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,565 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,566 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 06:12:47,566 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:47,566 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:47,566 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:47,566 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:47,566 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:47,566 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 06:12:47,566 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:47,566 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:47,566 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:47,566 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 06:12:47,566 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 06:12:47,566 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:47,567 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 06:12:47,567 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:47,567 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,567 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 06:12:47,567 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:47,567 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:47,567 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 06:12:47,567 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:47,567 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 06:12:47,567 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 06:12:47,567 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 06:12:47,568 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:47,568 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,568 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:47,568 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:47,568 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:47,568 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:47,568 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:47,568 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:47,568 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,568 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,568 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,568 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,569 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:47,569 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:47,569 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 06:12:47,569 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:47,569 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:47,569 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:47,569 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:47,569 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:47,569 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,569 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:47,569 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:47,569 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,569 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:47,570 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:47,570 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,570 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:47,570 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 06:12:47,570 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,570 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:47,570 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 06:12:47,570 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:47,570 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:47,570 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:47,570 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 06:12:47,570 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:47,571 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:47,571 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:47,571 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:47,571 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 06:12:47,571 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:47,571 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1436 1438) the Hoare annotation is: true [2018-01-21 06:12:47,571 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 06:12:47,571 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:47,571 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,571 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:47,571 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,571 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:47,572 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,572 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:47,577 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:47,577 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:47,577 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:47,577 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:47,577 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 06:12:47,578 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:47,578 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 06:12:47,578 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 06:12:47,578 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:47,578 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 06:12:47,578 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:47,578 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:47,578 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 06:12:47,580 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:47,580 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:47,580 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:47,581 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:47,581 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:47,581 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:47,581 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:47,581 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_cleanupErr0EnsuresViolation======== [2018-01-21 06:12:47,581 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:47,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-21 06:12:47,585 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:47,585 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:47,585 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 06:12:47,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1938484519, now seen corresponding path program 1 times [2018-01-21 06:12:47,585 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:47,587 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,587 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:47,587 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,587 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:47,603 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 06:12:47,684 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:47,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 06:12:47,685 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:47,685 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 06:12:47,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 06:12:47,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 06:12:47,685 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 7 states. [2018-01-21 06:12:47,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:47,749 INFO L93 Difference]: Finished difference Result 215 states and 227 transitions. [2018-01-21 06:12:47,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 06:12:47,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-01-21 06:12:47,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:47,752 INFO L225 Difference]: With dead ends: 215 [2018-01-21 06:12:47,752 INFO L226 Difference]: Without dead ends: 103 [2018-01-21 06:12:47,753 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 06:12:47,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-01-21 06:12:47,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-01-21 06:12:47,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-01-21 06:12:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2018-01-21 06:12:47,763 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 58 [2018-01-21 06:12:47,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:47,763 INFO L432 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2018-01-21 06:12:47,763 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 06:12:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2018-01-21 06:12:47,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-01-21 06:12:47,764 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:47,765 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:47,765 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 06:12:47,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1232752709, now seen corresponding path program 1 times [2018-01-21 06:12:47,765 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:47,766 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,766 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:47,766 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,767 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:47,776 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:47,859 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 06:12:47,859 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:47,859 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 06:12:47,859 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:47,860 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 06:12:47,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 06:12:47,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 06:12:47,860 INFO L87 Difference]: Start difference. First operand 103 states and 108 transitions. Second operand 5 states. [2018-01-21 06:12:47,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:47,896 INFO L93 Difference]: Finished difference Result 192 states and 201 transitions. [2018-01-21 06:12:47,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:47,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-01-21 06:12:47,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:47,898 INFO L225 Difference]: With dead ends: 192 [2018-01-21 06:12:47,898 INFO L226 Difference]: Without dead ends: 103 [2018-01-21 06:12:47,899 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 06:12:47,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-01-21 06:12:47,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-01-21 06:12:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-01-21 06:12:47,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 107 transitions. [2018-01-21 06:12:47,906 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 107 transitions. Word has length 70 [2018-01-21 06:12:47,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:47,906 INFO L432 AbstractCegarLoop]: Abstraction has 103 states and 107 transitions. [2018-01-21 06:12:47,906 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 06:12:47,906 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 107 transitions. [2018-01-21 06:12:47,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-01-21 06:12:47,907 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:47,907 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 06:12:47,907 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 06:12:47,907 INFO L82 PathProgramCache]: Analyzing trace with hash -94394301, now seen corresponding path program 1 times [2018-01-21 06:12:47,907 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:47,908 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,908 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:47,908 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:47,908 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:47,916 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:47,948 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 06:12:47,948 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:47,948 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 06:12:47,948 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:47,949 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 06:12:47,949 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 06:12:47,949 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 06:12:47,949 INFO L87 Difference]: Start difference. First operand 103 states and 107 transitions. Second operand 4 states. [2018-01-21 06:12:48,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:48,004 INFO L93 Difference]: Finished difference Result 103 states and 107 transitions. [2018-01-21 06:12:48,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 06:12:48,005 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-01-21 06:12:48,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:48,005 INFO L225 Difference]: With dead ends: 103 [2018-01-21 06:12:48,005 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:48,006 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 06:12:48,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:48,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:48,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2018-01-21 06:12:48,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:48,007 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:48,007 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 06:12:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:48,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:48,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:48,071 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,072 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,072 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,072 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 06:12:48,072 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 06:12:48,072 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 06:12:48,072 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,072 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 06:12:48,072 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 06:12:48,072 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 06:12:48,073 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,073 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,073 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 06:12:48,073 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,073 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 06:12:48,073 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,073 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,073 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,073 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,073 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,074 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,074 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,074 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,074 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,074 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 06:12:48,074 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,074 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,074 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 06:12:48,074 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,074 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 06:12:48,075 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,075 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,075 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,075 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,075 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,075 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,075 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,075 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,075 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,075 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,075 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,076 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,076 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,076 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 06:12:48,076 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,076 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 06:12:48,076 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,076 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,076 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,076 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,076 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,077 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,077 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,077 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,077 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,077 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 06:12:48,077 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,077 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,077 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,077 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,077 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,078 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 06:12:48,078 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,078 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,078 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,078 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 06:12:48,078 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 06:12:48,078 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,078 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 06:12:48,078 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,078 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,079 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 06:12:48,079 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,079 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,079 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 06:12:48,079 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,079 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 06:12:48,079 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 06:12:48,079 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 06:12:48,079 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,079 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,080 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:48,080 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,080 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,080 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,080 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,080 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,080 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,080 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,080 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,080 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,080 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,081 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,081 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 06:12:48,081 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,081 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,081 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,081 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,081 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,081 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,081 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,081 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,082 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,082 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,082 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,082 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,082 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,082 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 06:12:48,082 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,082 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,082 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 06:12:48,082 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,082 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,083 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,083 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 06:12:48,083 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,083 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,083 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,083 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,083 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 06:12:48,083 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,083 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1436 1438) the Hoare annotation is: true [2018-01-21 06:12:48,083 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 06:12:48,084 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,084 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,084 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,084 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,084 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,084 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,084 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,084 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,084 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,085 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,085 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,085 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 06:12:48,085 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,085 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 06:12:48,085 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,085 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,085 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 06:12:48,085 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,085 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,085 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,087 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:48,087 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:48,087 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:48,087 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:48,087 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:48,088 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:48,088 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:48,088 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 06:12:48,088 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-21 06:12:48,090 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:48,091 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:48,091 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 06:12:48,091 INFO L82 PathProgramCache]: Analyzing trace with hash 2029466418, now seen corresponding path program 1 times [2018-01-21 06:12:48,091 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:48,092 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,092 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:48,092 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,093 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:48,100 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:48,122 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 06:12:48,123 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:48,123 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 06:12:48,123 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:48,123 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 06:12:48,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 06:12:48,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 06:12:48,124 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2018-01-21 06:12:48,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:48,269 INFO L93 Difference]: Finished difference Result 145 states and 153 transitions. [2018-01-21 06:12:48,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 06:12:48,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-01-21 06:12:48,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:48,270 INFO L225 Difference]: With dead ends: 145 [2018-01-21 06:12:48,270 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:48,271 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 06:12:48,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:48,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:48,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:48,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:48,271 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-01-21 06:12:48,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:48,271 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:48,271 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 06:12:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:48,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:48,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:48,335 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,335 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,335 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,335 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 06:12:48,335 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 06:12:48,335 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 06:12:48,335 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,335 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 06:12:48,336 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 06:12:48,336 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 06:12:48,336 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,336 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,336 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 06:12:48,336 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,336 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 06:12:48,336 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,336 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,336 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,336 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,336 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,336 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,336 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,336 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,337 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,338 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 06:12:48,338 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,338 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,338 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 06:12:48,339 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,340 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,340 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 06:12:48,340 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,340 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,340 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 06:12:48,340 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,340 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 06:12:48,340 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 06:12:48,340 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 06:12:48,340 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,340 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,340 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:48,340 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,340 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,340 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,341 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,341 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,342 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,342 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,342 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,342 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,342 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,342 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,342 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 06:12:48,342 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,342 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,342 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 06:12:48,342 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,342 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,342 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,342 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 06:12:48,342 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,342 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,343 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,343 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,343 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 06:12:48,343 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,343 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1436 1438) the Hoare annotation is: true [2018-01-21 06:12:48,343 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 06:12:48,343 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,343 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,343 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,343 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,343 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,343 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,343 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,343 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,343 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,344 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,344 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,344 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 06:12:48,344 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,344 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 06:12:48,344 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,344 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,344 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 06:12:48,344 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,344 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,344 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,345 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:48,345 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:48,345 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:48,346 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:48,346 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:48,346 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:48,346 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:48,346 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == LDV_INIT_LIST_HEADErr0EnsuresViolation======== [2018-01-21 06:12:48,346 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:48,347 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:48,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-21 06:12:48,348 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:48,348 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 06:12:48,348 INFO L371 AbstractCegarLoop]: === Iteration 1 === [LDV_INIT_LIST_HEADErr0EnsuresViolation]=== [2018-01-21 06:12:48,348 INFO L82 PathProgramCache]: Analyzing trace with hash 906718061, now seen corresponding path program 1 times [2018-01-21 06:12:48,348 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:48,350 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,350 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:48,350 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,350 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:48,356 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:48,397 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 06:12:48,398 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:48,398 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 06:12:48,398 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:48,398 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 06:12:48,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 06:12:48,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 06:12:48,399 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 5 states. [2018-01-21 06:12:48,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:48,436 INFO L93 Difference]: Finished difference Result 265 states and 289 transitions. [2018-01-21 06:12:48,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:48,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-01-21 06:12:48,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:48,437 INFO L225 Difference]: With dead ends: 265 [2018-01-21 06:12:48,437 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:48,438 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 06:12:48,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:48,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:48,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:48,439 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-01-21 06:12:48,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:48,440 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:48,440 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 06:12:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:48,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:48,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:48,497 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,497 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,497 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,498 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 06:12:48,498 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 06:12:48,498 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 06:12:48,498 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,498 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 06:12:48,498 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 06:12:48,498 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 06:12:48,498 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,498 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,498 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 06:12:48,498 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,498 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 06:12:48,499 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,499 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,499 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,499 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,499 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,499 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,499 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,499 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,499 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,499 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 06:12:48,499 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,499 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,500 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 06:12:48,500 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,500 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 06:12:48,500 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,500 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,500 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,500 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,500 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,500 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,500 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,500 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,500 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,500 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,501 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,501 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,501 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,501 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 06:12:48,501 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,501 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 06:12:48,501 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,501 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,501 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,501 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,501 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,501 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,502 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,502 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,502 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,502 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 06:12:48,502 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,502 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,502 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,502 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,502 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,502 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 06:12:48,502 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,502 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,502 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,503 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 06:12:48,503 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 06:12:48,503 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,503 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 06:12:48,503 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,503 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,503 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 06:12:48,503 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,503 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,503 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 06:12:48,503 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,503 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 06:12:48,504 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 06:12:48,504 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 06:12:48,504 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,504 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,504 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:48,504 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,504 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,504 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,504 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,504 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,504 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,504 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,505 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,505 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,505 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,505 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,505 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 06:12:48,505 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,505 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,505 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,505 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,505 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,505 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,505 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,506 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,506 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,506 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,506 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,506 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,506 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,506 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 06:12:48,506 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,506 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,506 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 06:12:48,506 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,506 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,506 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,507 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 06:12:48,507 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,507 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,507 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,507 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,507 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 06:12:48,507 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,507 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1436 1438) the Hoare annotation is: true [2018-01-21 06:12:48,507 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 06:12:48,507 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,507 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,507 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,508 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,508 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,508 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,508 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,508 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,508 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,508 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,508 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,508 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 06:12:48,508 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,508 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 06:12:48,509 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,509 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,509 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 06:12:48,509 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,509 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,509 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,511 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:48,511 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:48,511 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:48,511 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:48,511 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:48,511 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:48,511 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:48,512 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_getErr0EnsuresViolation======== [2018-01-21 06:12:48,512 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:48,513 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-21 06:12:48,514 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:48,515 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 06:12:48,515 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_getErr0EnsuresViolation]=== [2018-01-21 06:12:48,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1713607514, now seen corresponding path program 1 times [2018-01-21 06:12:48,515 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:48,516 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,516 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:48,516 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,516 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:48,525 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:48,534 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 06:12:48,534 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:48,534 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 06:12:48,534 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:48,534 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 06:12:48,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 06:12:48,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 06:12:48,535 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-01-21 06:12:48,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:48,540 INFO L93 Difference]: Finished difference Result 143 states and 151 transitions. [2018-01-21 06:12:48,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 06:12:48,540 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 36 [2018-01-21 06:12:48,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:48,541 INFO L225 Difference]: With dead ends: 143 [2018-01-21 06:12:48,546 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:48,547 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 06:12:48,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:48,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:48,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:48,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-01-21 06:12:48,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:48,548 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:48,548 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 06:12:48,548 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:48,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:48,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:48,594 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,594 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,594 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,594 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 06:12:48,594 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 06:12:48,594 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 06:12:48,595 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,595 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 06:12:48,595 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 06:12:48,595 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 06:12:48,595 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,595 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,595 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 06:12:48,595 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,595 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 06:12:48,595 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,596 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,596 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,596 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,596 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,596 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,596 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,596 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,596 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,596 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 06:12:48,596 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,597 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,597 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 06:12:48,597 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,597 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 06:12:48,597 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,597 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,597 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,597 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,597 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,597 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,597 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,598 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,598 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,598 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,598 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,598 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,598 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,598 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 06:12:48,598 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,598 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 06:12:48,598 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,598 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,599 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,599 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,599 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,599 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,599 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,599 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,599 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,599 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 06:12:48,599 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,599 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,599 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,600 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,600 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,600 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 06:12:48,600 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,600 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,600 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,600 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 06:12:48,600 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 06:12:48,600 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,600 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 06:12:48,600 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,601 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,601 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 06:12:48,601 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,601 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,601 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 06:12:48,601 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,601 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 06:12:48,601 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 06:12:48,601 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 06:12:48,601 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,602 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,602 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:48,602 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,602 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,602 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,602 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,602 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,602 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,602 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,602 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,602 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,603 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,603 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,603 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 06:12:48,603 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,603 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,603 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,603 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,603 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,603 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,603 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,604 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,604 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,604 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,604 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,604 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,604 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,604 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 06:12:48,604 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,604 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,604 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 06:12:48,604 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,605 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,605 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,605 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 06:12:48,605 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,605 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,605 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,605 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,605 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 06:12:48,605 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,605 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1436 1438) the Hoare annotation is: true [2018-01-21 06:12:48,605 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 06:12:48,606 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,606 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,606 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,606 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,606 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,606 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,606 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,606 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,606 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,607 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,607 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,607 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 06:12:48,607 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,607 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 06:12:48,607 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,607 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,607 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 06:12:48,607 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,607 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,607 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,609 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:48,609 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:48,609 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:48,609 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:48,609 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:48,609 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:48,610 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:48,610 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_putErr0EnsuresViolation======== [2018-01-21 06:12:48,610 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-21 06:12:48,612 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:48,612 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:48,612 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_putErr0EnsuresViolation]=== [2018-01-21 06:12:48,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1229521087, now seen corresponding path program 1 times [2018-01-21 06:12:48,613 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:48,614 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,614 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:48,614 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,614 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:48,622 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:48,646 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 06:12:48,646 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:48,646 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 06:12:48,647 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:48,647 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 06:12:48,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 06:12:48,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 06:12:48,647 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2018-01-21 06:12:48,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:48,777 INFO L93 Difference]: Finished difference Result 145 states and 153 transitions. [2018-01-21 06:12:48,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 06:12:48,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-01-21 06:12:48,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:48,778 INFO L225 Difference]: With dead ends: 145 [2018-01-21 06:12:48,778 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:48,778 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 06:12:48,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:48,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:48,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-01-21 06:12:48,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:48,779 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:48,779 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 06:12:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:48,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:48,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:48,819 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,819 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,819 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,819 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 06:12:48,819 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 06:12:48,819 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 06:12:48,819 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,819 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 06:12:48,820 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 06:12:48,820 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 06:12:48,820 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,820 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,820 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 06:12:48,820 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,820 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 06:12:48,820 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,820 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,820 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,820 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,821 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,821 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,821 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,821 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,821 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,821 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 06:12:48,821 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,821 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,821 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 06:12:48,821 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,822 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 06:12:48,822 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,822 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,822 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,822 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,822 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,822 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,822 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,822 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,822 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,822 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,823 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,823 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,823 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,823 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 06:12:48,823 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,823 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 06:12:48,823 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,823 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,823 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,823 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,823 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,824 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,824 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,824 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,824 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,824 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 06:12:48,824 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,824 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,824 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,824 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,824 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,825 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 06:12:48,825 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,825 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,825 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,825 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 06:12:48,825 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 06:12:48,825 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,825 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 06:12:48,825 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,825 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,826 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 06:12:48,826 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,826 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,826 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 06:12:48,826 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,826 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 06:12:48,826 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 06:12:48,826 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 06:12:48,826 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,826 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,826 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:48,827 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,827 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,827 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,827 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,827 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,827 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,827 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,827 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,827 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,827 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,827 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,828 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 06:12:48,828 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,828 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,828 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,828 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,828 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,828 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,828 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,828 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,828 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,829 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,829 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,829 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,829 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,829 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 06:12:48,829 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,829 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,829 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 06:12:48,829 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,829 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,829 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,830 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 06:12:48,830 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,830 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,830 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,830 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,830 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 06:12:48,830 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,830 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1436 1438) the Hoare annotation is: true [2018-01-21 06:12:48,830 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 06:12:48,830 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,830 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,831 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,831 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,831 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,831 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,831 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,831 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,831 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,831 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,831 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,832 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 06:12:48,832 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,832 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 06:12:48,832 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,832 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,832 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 06:12:48,832 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,832 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,832 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,834 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:48,834 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:48,834 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:48,834 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:48,834 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:48,835 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:48,835 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:48,835 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_initErr0EnsuresViolation======== [2018-01-21 06:12:48,835 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:48,836 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:48,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 06:12:48,837 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:48,837 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:48,837 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_initErr0EnsuresViolation]=== [2018-01-21 06:12:48,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1304218932, now seen corresponding path program 1 times [2018-01-21 06:12:48,837 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:48,838 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,839 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:48,839 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,839 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:48,845 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:48,878 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 06:12:48,878 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:48,878 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 06:12:48,878 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:48,878 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 06:12:48,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 06:12:48,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 06:12:48,879 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 5 states. [2018-01-21 06:12:48,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:48,899 INFO L93 Difference]: Finished difference Result 265 states and 289 transitions. [2018-01-21 06:12:48,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:48,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-21 06:12:48,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:48,900 INFO L225 Difference]: With dead ends: 265 [2018-01-21 06:12:48,900 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:48,901 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 06:12:48,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:48,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:48,902 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 06:12:48,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:48,902 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:48,902 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 06:12:48,902 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:48,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:48,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:48,929 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,929 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,929 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 06:12:48,929 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 06:12:48,929 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 06:12:48,929 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 06:12:48,929 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,929 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 06:12:48,929 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 06:12:48,930 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 06:12:48,930 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,930 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,930 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 06:12:48,930 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,930 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 06:12:48,930 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 06:12:48,930 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,930 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 06:12:48,930 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,930 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,930 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,930 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,930 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,930 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,931 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1452 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1452 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,932 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 06:12:48,932 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-21 06:12:48,933 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-21 06:12:48,933 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,933 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,933 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 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 06:12:48,934 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,934 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 06:12:48,934 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 06:12:48,934 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:48,934 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,935 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,935 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1454) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,935 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,935 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,935 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,935 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 06:12:48,935 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,935 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 06:12:48,935 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 06:12:48,935 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,936 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 06:12:48,936 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,936 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,936 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 06:12:48,936 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,936 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 06:12:48,936 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,936 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,936 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,936 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 06:12:48,937 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,937 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 06:12:48,937 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-21 06:12:48,937 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,937 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,937 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-21 06:12:48,937 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-21 06:12:48,937 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,937 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-21 06:12:48,937 INFO L401 ceAbstractionStarter]: For program point f_22_getFINAL(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,938 INFO L401 ceAbstractionStarter]: For program point f_22_getEXIT(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,938 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 06:12:48,938 INFO L401 ceAbstractionStarter]: For program point f_22_getErr0EnsuresViolation(lines 1436 1438) no Hoare annotation was computed. [2018-01-21 06:12:48,938 INFO L404 ceAbstractionStarter]: At program point f_22_getENTRY(lines 1436 1438) the Hoare annotation is: true [2018-01-21 06:12:48,938 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 06:12:48,938 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,938 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,938 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1454) the Hoare annotation is: true [2018-01-21 06:12:48,938 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,938 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1454) no Hoare annotation was computed. [2018-01-21 06:12:48,939 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1450) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,939 INFO L397 ceAbstractionStarter]: At program point L1447(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,939 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,939 INFO L397 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:48,939 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,939 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1450) no Hoare annotation was computed. [2018-01-21 06:12:48,939 INFO L401 ceAbstractionStarter]: For program point L1446'(line 1446) no Hoare annotation was computed. [2018-01-21 06:12:48,939 INFO L397 ceAbstractionStarter]: At program point L1447'(line 1447) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~29.offset) (= 0 entry_point_~kobj~29.base)) [2018-01-21 06:12:48,939 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 06:12:48,940 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,940 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,940 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 06:12:48,940 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,940 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 06:12:48,940 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 06:12:48,941 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:48,941 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:48,941 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:48,941 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:48,941 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:48,941 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:48,941 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:48,941 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-21 06:12:48,941 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 06:12:48,943 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:48,943 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:48,944 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 06:12:48,944 INFO L82 PathProgramCache]: Analyzing trace with hash 937037669, now seen corresponding path program 1 times [2018-01-21 06:12:48,944 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:48,945 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,945 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:48,945 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:48,945 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:48,949 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:48,958 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 06:12:48,958 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:48,958 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 06:12:48,958 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:48,959 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 06:12:48,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 06:12:48,959 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 06:12:48,959 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2018-01-21 06:12:49,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:49,030 INFO L93 Difference]: Finished difference Result 145 states and 153 transitions. [2018-01-21 06:12:49,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 06:12:49,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-01-21 06:12:49,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:49,031 INFO L225 Difference]: With dead ends: 145 [2018-01-21 06:12:49,031 INFO L226 Difference]: Without dead ends: 16 [2018-01-21 06:12:49,032 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 06:12:49,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-01-21 06:12:49,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-01-21 06:12:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-01-21 06:12:49,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-01-21 06:12:49,034 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2018-01-21 06:12:49,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:49,034 INFO L432 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-01-21 06:12:49,034 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 06:12:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-01-21 06:12:49,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-21 06:12:49,034 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,035 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:49,035 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 06:12:49,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1450021465, now seen corresponding path program 1 times [2018-01-21 06:12:49,035 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,036 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,036 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,036 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,036 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 06:12:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 06:12:49,077 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 06:12:49,082 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:49,084 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:49,096 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:49,101 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:49,101 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:49,101 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:49,101 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:49,101 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:49,101 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:49,102 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 06:12:49,102 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 06:12:49,104 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,104 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 06:12:49,104 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 06:12:49,105 INFO L82 PathProgramCache]: Analyzing trace with hash 221316, now seen corresponding path program 1 times [2018-01-21 06:12:49,105 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,106 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,106 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,106 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,106 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 06:12:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 06:12:49,111 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 06:12:49,111 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:49,113 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:49,113 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:49,113 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:49,113 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:49,113 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:49,113 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:49,113 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:49,114 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_atomic_sub_returnErr0EnsuresViolation======== [2018-01-21 06:12:49,114 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:49,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-21 06:12:49,116 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,116 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:49,117 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_atomic_sub_returnErr0EnsuresViolation]=== [2018-01-21 06:12:49,117 INFO L82 PathProgramCache]: Analyzing trace with hash -574656687, now seen corresponding path program 1 times [2018-01-21 06:12:49,117 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,118 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,118 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,118 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,118 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:49,131 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:49,206 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 06:12:49,207 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:49,207 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 06:12:49,207 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:49,208 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 06:12:49,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 06:12:49,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 06:12:49,208 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 7 states. [2018-01-21 06:12:49,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:49,265 INFO L93 Difference]: Finished difference Result 215 states and 227 transitions. [2018-01-21 06:12:49,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 06:12:49,266 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-01-21 06:12:49,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:49,266 INFO L225 Difference]: With dead ends: 215 [2018-01-21 06:12:49,266 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:49,267 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 06:12:49,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:49,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:49,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:49,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:49,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-01-21 06:12:49,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:49,268 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:49,268 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 06:12:49,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:49,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:49,272 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:49,272 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:49,272 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:49,272 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:49,272 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:49,272 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:49,273 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:49,273 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation======== [2018-01-21 06:12:49,273 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:49,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-01-21 06:12:49,276 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,277 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 06:12:49,277 INFO L371 AbstractCegarLoop]: === Iteration 1 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 06:12:49,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1397035947, now seen corresponding path program 1 times [2018-01-21 06:12:49,277 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,278 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,278 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,278 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,278 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:49,291 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:49,391 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 06:12:49,391 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:49,391 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 06:12:49,391 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:49,392 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 06:12:49,392 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 06:12:49,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 06:12:49,392 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 7 states. [2018-01-21 06:12:49,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:49,449 INFO L93 Difference]: Finished difference Result 215 states and 227 transitions. [2018-01-21 06:12:49,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 06:12:49,450 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-01-21 06:12:49,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:49,452 INFO L225 Difference]: With dead ends: 215 [2018-01-21 06:12:49,452 INFO L226 Difference]: Without dead ends: 107 [2018-01-21 06:12:49,453 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 06:12:49,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-01-21 06:12:49,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-01-21 06:12:49,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-01-21 06:12:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2018-01-21 06:12:49,461 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 62 [2018-01-21 06:12:49,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:49,461 INFO L432 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2018-01-21 06:12:49,461 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 06:12:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2018-01-21 06:12:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-01-21 06:12:49,462 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,463 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 06:12:49,463 INFO L371 AbstractCegarLoop]: === Iteration 2 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 06:12:49,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1743229043, now seen corresponding path program 1 times [2018-01-21 06:12:49,463 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,464 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,464 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,464 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,464 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:49,473 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:49,539 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 06:12:49,539 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:49,539 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 06:12:49,539 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:49,540 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 06:12:49,540 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 06:12:49,540 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 06:12:49,540 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand 5 states. [2018-01-21 06:12:49,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:49,557 INFO L93 Difference]: Finished difference Result 200 states and 209 transitions. [2018-01-21 06:12:49,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:49,558 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-01-21 06:12:49,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:49,559 INFO L225 Difference]: With dead ends: 200 [2018-01-21 06:12:49,559 INFO L226 Difference]: Without dead ends: 107 [2018-01-21 06:12:49,560 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 06:12:49,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-01-21 06:12:49,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-01-21 06:12:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-01-21 06:12:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 111 transitions. [2018-01-21 06:12:49,567 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 111 transitions. Word has length 74 [2018-01-21 06:12:49,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:49,568 INFO L432 AbstractCegarLoop]: Abstraction has 107 states and 111 transitions. [2018-01-21 06:12:49,568 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 06:12:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2018-01-21 06:12:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-01-21 06:12:49,569 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,569 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 06:12:49,569 INFO L371 AbstractCegarLoop]: === Iteration 3 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 06:12:49,569 INFO L82 PathProgramCache]: Analyzing trace with hash -163268239, now seen corresponding path program 1 times [2018-01-21 06:12:49,569 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,570 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,570 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,571 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,571 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:49,580 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:49,625 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 06:12:49,625 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:49,625 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 06:12:49,625 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:49,626 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 06:12:49,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 06:12:49,626 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 06:12:49,626 INFO L87 Difference]: Start difference. First operand 107 states and 111 transitions. Second operand 4 states. [2018-01-21 06:12:49,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:49,646 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2018-01-21 06:12:49,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 06:12:49,646 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 76 [2018-01-21 06:12:49,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:49,647 INFO L225 Difference]: With dead ends: 107 [2018-01-21 06:12:49,647 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:49,648 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 06:12:49,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:49,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:49,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:49,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:49,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2018-01-21 06:12:49,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:49,649 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:49,649 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 06:12:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:49,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:49,650 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:49,650 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:49,650 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:49,650 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:49,651 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:49,651 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:49,651 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:49,651 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_putErr0EnsuresViolation======== [2018-01-21 06:12:49,651 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:49,652 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:49,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-01-21 06:12:49,654 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,654 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:49,654 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-21 06:12:49,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1398860875, now seen corresponding path program 1 times [2018-01-21 06:12:49,654 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,655 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,656 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,656 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,656 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:49,668 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:49,737 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 06:12:49,737 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:49,738 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 06:12:49,738 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:49,738 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 06:12:49,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 06:12:49,738 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 06:12:49,738 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 7 states. [2018-01-21 06:12:49,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:49,782 INFO L93 Difference]: Finished difference Result 215 states and 227 transitions. [2018-01-21 06:12:49,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 06:12:49,782 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-01-21 06:12:49,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:49,783 INFO L225 Difference]: With dead ends: 215 [2018-01-21 06:12:49,784 INFO L226 Difference]: Without dead ends: 113 [2018-01-21 06:12:49,784 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 06:12:49,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-01-21 06:12:49,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-01-21 06:12:49,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-01-21 06:12:49,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 119 transitions. [2018-01-21 06:12:49,791 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 119 transitions. Word has length 51 [2018-01-21 06:12:49,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:49,791 INFO L432 AbstractCegarLoop]: Abstraction has 113 states and 119 transitions. [2018-01-21 06:12:49,791 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 06:12:49,791 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 119 transitions. [2018-01-21 06:12:49,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-01-21 06:12:49,792 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,792 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:49,793 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-21 06:12:49,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1966069335, now seen corresponding path program 1 times [2018-01-21 06:12:49,793 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,794 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,794 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,794 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,794 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:49,802 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:49,857 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 06:12:49,857 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:49,857 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 06:12:49,857 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:49,857 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 06:12:49,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 06:12:49,858 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 06:12:49,858 INFO L87 Difference]: Start difference. First operand 113 states and 119 transitions. Second operand 5 states. [2018-01-21 06:12:49,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:49,871 INFO L93 Difference]: Finished difference Result 212 states and 223 transitions. [2018-01-21 06:12:49,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:49,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-01-21 06:12:49,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:49,873 INFO L225 Difference]: With dead ends: 212 [2018-01-21 06:12:49,873 INFO L226 Difference]: Without dead ends: 113 [2018-01-21 06:12:49,874 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 06:12:49,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-01-21 06:12:49,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-01-21 06:12:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-01-21 06:12:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2018-01-21 06:12:49,880 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 63 [2018-01-21 06:12:49,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:49,880 INFO L432 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2018-01-21 06:12:49,880 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 06:12:49,881 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2018-01-21 06:12:49,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-01-21 06:12:49,881 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,881 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 06:12:49,882 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-21 06:12:49,882 INFO L82 PathProgramCache]: Analyzing trace with hash -2018353127, now seen corresponding path program 1 times [2018-01-21 06:12:49,882 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,883 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,883 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,883 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,883 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:49,892 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:49,920 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 06:12:49,921 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:49,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 06:12:49,921 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:49,921 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 06:12:49,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 06:12:49,921 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 06:12:49,922 INFO L87 Difference]: Start difference. First operand 113 states and 118 transitions. Second operand 4 states. [2018-01-21 06:12:49,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:49,940 INFO L93 Difference]: Finished difference Result 113 states and 118 transitions. [2018-01-21 06:12:49,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 06:12:49,940 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-01-21 06:12:49,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:49,941 INFO L225 Difference]: With dead ends: 113 [2018-01-21 06:12:49,941 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:49,941 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 06:12:49,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:49,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:49,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-01-21 06:12:49,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:49,942 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:49,942 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 06:12:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:49,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:49,944 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:49,944 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:49,944 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:49,944 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:49,944 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:49,944 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:49,944 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:49,944 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_getErr0EnsuresViolation======== [2018-01-21 06:12:49,944 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:49,946 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:49,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 06:12:49,946 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,946 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 06:12:49,947 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_getErr0EnsuresViolation]=== [2018-01-21 06:12:49,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1601401682, now seen corresponding path program 1 times [2018-01-21 06:12:49,947 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,948 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,948 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,948 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,948 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:49,954 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:49,960 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 06:12:49,960 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:49,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 06:12:49,960 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:49,960 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 06:12:49,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 06:12:49,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 06:12:49,961 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-01-21 06:12:49,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:49,965 INFO L93 Difference]: Finished difference Result 143 states and 151 transitions. [2018-01-21 06:12:49,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 06:12:49,966 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2018-01-21 06:12:49,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:49,966 INFO L225 Difference]: With dead ends: 143 [2018-01-21 06:12:49,966 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:49,967 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 06:12:49,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:49,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:49,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 06:12:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:49,968 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:49,968 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 06:12:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:49,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:49,969 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:49,969 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:49,969 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:49,969 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:49,969 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:49,969 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:49,969 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:49,969 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == f_22_getErr0EnsuresViolation======== [2018-01-21 06:12:49,970 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:49,971 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:49,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 06:12:49,972 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,972 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 06:12:49,972 INFO L371 AbstractCegarLoop]: === Iteration 1 === [f_22_getErr0EnsuresViolation]=== [2018-01-21 06:12:49,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1139376951, now seen corresponding path program 1 times [2018-01-21 06:12:49,972 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,973 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,973 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,973 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,973 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:49,979 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:49,985 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 06:12:49,986 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:49,986 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 06:12:49,986 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:49,986 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 06:12:49,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 06:12:49,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 06:12:49,987 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-01-21 06:12:49,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:49,991 INFO L93 Difference]: Finished difference Result 143 states and 151 transitions. [2018-01-21 06:12:49,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 06:12:49,991 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-01-21 06:12:49,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:49,992 INFO L225 Difference]: With dead ends: 143 [2018-01-21 06:12:49,992 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:49,992 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 06:12:49,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:49,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:49,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:49,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 06:12:49,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:49,993 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:49,993 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 06:12:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:49,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:49,994 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:49,995 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:49,995 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:49,995 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:49,995 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:49,995 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:49,995 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:49,995 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 06:12:49,995 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:49,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-01-21 06:12:49,997 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:49,997 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:49,998 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 06:12:49,998 INFO L82 PathProgramCache]: Analyzing trace with hash 402080647, now seen corresponding path program 1 times [2018-01-21 06:12:49,998 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:49,999 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,999 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:49,999 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:49,999 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 06:12:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 06:12:50,019 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 06:12:50,023 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:50,023 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:50,024 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:50,025 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:50,026 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:50,027 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:50,027 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:50,027 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:50,028 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:50,032 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:50,032 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:50,032 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:50,032 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:50,032 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:50,032 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:50,032 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:50,032 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-21 06:12:50,033 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:50,034 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-21 06:12:50,035 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:50,035 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 06:12:50,035 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-21 06:12:50,035 INFO L82 PathProgramCache]: Analyzing trace with hash -453753592, now seen corresponding path program 1 times [2018-01-21 06:12:50,035 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:50,036 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:50,036 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:50,036 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:50,036 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:50,043 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:50,060 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 06:12:50,060 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:50,060 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 06:12:50,060 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:50,061 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 06:12:50,061 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 06:12:50,061 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 06:12:50,061 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2018-01-21 06:12:50,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:50,174 INFO L93 Difference]: Finished difference Result 145 states and 153 transitions. [2018-01-21 06:12:50,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 06:12:50,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-01-21 06:12:50,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:50,174 INFO L225 Difference]: With dead ends: 145 [2018-01-21 06:12:50,174 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:50,175 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 06:12:50,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:50,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:50,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-01-21 06:12:50,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:50,175 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:50,176 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 06:12:50,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:50,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:50,176 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:50,176 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:50,176 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:50,177 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:50,177 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:50,177 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:50,177 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:50,177 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_init_internalErr0EnsuresViolation======== [2018-01-21 06:12:50,177 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-01-21 06:12:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 06:12:50,179 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:50,179 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 06:12:50,179 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_init_internalErr0EnsuresViolation]=== [2018-01-21 06:12:50,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1717792365, now seen corresponding path program 1 times [2018-01-21 06:12:50,179 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:50,180 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:50,180 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:50,180 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:50,181 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:50,187 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:50,235 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 06:12:50,235 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:50,235 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 06:12:50,235 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:50,236 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 06:12:50,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 06:12:50,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 06:12:50,236 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 5 states. [2018-01-21 06:12:50,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:50,263 INFO L93 Difference]: Finished difference Result 265 states and 289 transitions. [2018-01-21 06:12:50,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:50,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-01-21 06:12:50,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:50,264 INFO L225 Difference]: With dead ends: 265 [2018-01-21 06:12:50,264 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:50,265 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 06:12:50,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:50,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:50,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:50,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 06:12:50,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:50,266 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:50,266 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 06:12:50,266 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:50,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:50,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 06:12:50 BoogieIcfgContainer [2018-01-21 06:12:50,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 06:12:50,272 INFO L168 Benchmark]: Toolchain (without parser) took 5908.67 ms. Allocated memory was 302.0 MB in the beginning and 553.6 MB in the end (delta: 251.7 MB). Free memory was 260.9 MB in the beginning and 341.8 MB in the end (delta: -80.9 MB). Peak memory consumption was 170.8 MB. Max. memory is 5.3 GB. [2018-01-21 06:12:50,274 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 266.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 06:12:50,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.45 ms. Allocated memory is still 302.0 MB. Free memory was 260.9 MB in the beginning and 247.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. [2018-01-21 06:12:50,274 INFO L168 Benchmark]: Boogie Preprocessor took 45.73 ms. Allocated memory is still 302.0 MB. Free memory was 247.0 MB in the beginning and 245.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 06:12:50,275 INFO L168 Benchmark]: RCFGBuilder took 486.56 ms. Allocated memory is still 302.0 MB. Free memory was 245.0 MB in the beginning and 210.0 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. [2018-01-21 06:12:50,275 INFO L168 Benchmark]: TraceAbstraction took 5116.57 ms. Allocated memory was 302.0 MB in the beginning and 553.6 MB in the end (delta: 251.7 MB). Free memory was 210.0 MB in the beginning and 341.8 MB in the end (delta: -131.8 MB). Peak memory consumption was 119.9 MB. Max. memory is 5.3 GB. [2018-01-21 06:12:50,277 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 266.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 252.45 ms. Allocated memory is still 302.0 MB. Free memory was 260.9 MB in the beginning and 247.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.73 ms. Allocated memory is still 302.0 MB. Free memory was 247.0 MB in the beginning and 245.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 486.56 ms. Allocated memory is still 302.0 MB. Free memory was 245.0 MB in the beginning and 210.0 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5116.57 ms. Allocated memory was 302.0 MB in the beginning and 553.6 MB in the end (delta: 251.7 MB). Free memory was 210.0 MB in the beginning and 341.8 MB in the end (delta: -131.8 MB). Peak memory consumption was 119.9 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) * 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 SDtfs, 4 SDslu, 415 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=143occurred 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, 43 LocationsWithAnnotation, 73 PreInvPairs, 77 NumberOfFragments, 43 HoareAnnotationTreeSize, 73 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 103 SDtfs, 72 SDslu, 3 SDs, 0 SdLazy, 41 SolverSat, 39 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=143occurred 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, 43 LocationsWithAnnotation, 43 PreInvPairs, 43 NumberOfFragments, 89 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.1s 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 267 SDtfs, 14 SDslu, 1040 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 88 PreInvPairs, 90 NumberOfFragments, 77 HoareAnnotationTreeSize, 88 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 13533 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 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=143occurred 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, 43 LocationsWithAnnotation, 43 PreInvPairs, 43 NumberOfFragments, 43 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 261 SDtfs, 14 SDslu, 1022 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 88 PreInvPairs, 90 NumberOfFragments, 77 HoareAnnotationTreeSize, 88 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 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, 18909 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 259 SDtfs, 14 SDslu, 1016 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 88 PreInvPairs, 90 NumberOfFragments, 77 HoareAnnotationTreeSize, 88 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 17953 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 103 SDtfs, 65 SDslu, 3 SDs, 0 SdLazy, 41 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred 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, 43 LocationsWithAnnotation, 43 PreInvPairs, 43 NumberOfFragments, 89 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 36 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, 3071 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1097]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: LDV_INIT_LIST_HEADErr0EnsuresViolation CFG has 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 SDtfs, 4 SDslu, 415 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=143occurred 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, 43 LocationsWithAnnotation, 73 PreInvPairs, 77 NumberOfFragments, 43 HoareAnnotationTreeSize, 73 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 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=143occurred 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, 43 LocationsWithAnnotation, 43 PreInvPairs, 43 NumberOfFragments, 43 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 103 SDtfs, 76 SDslu, 3 SDs, 0 SdLazy, 41 SolverSat, 41 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=143occurred 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, 43 LocationsWithAnnotation, 43 PreInvPairs, 43 NumberOfFragments, 89 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1287 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 SDtfs, 4 SDslu, 415 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=143occurred 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, 43 LocationsWithAnnotation, 73 PreInvPairs, 77 NumberOfFragments, 43 HoareAnnotationTreeSize, 73 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 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 22 procedures, 143 locations, 21 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 103 SDtfs, 76 SDslu, 3 SDs, 0 SdLazy, 41 SolverSat, 41 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=143occurred 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 22 procedures, 143 locations, 21 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=143occurred 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 SDtfs, 12 SDslu, 695 SDs, 0 SdLazy, 25 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred 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, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 3655 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 263 SDtfs, 14 SDslu, 1028 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 209 ConstructedInterpolants, 0 QuantifiedInterpolants, 19889 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.2s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 270 SDtfs, 14 SDslu, 1049 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 14796 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 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=143occurred 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: 1436]: 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 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=143occurred 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}] [L1437] 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}] [L1437] 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}] [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 22 procedures, 143 locations, 21 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=143occurred 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, 40 NumberOfCodeBlocks, 40 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 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 103 SDtfs, 66 SDslu, 3 SDs, 0 SdLazy, 41 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred 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, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 2625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1378]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_init_internalErr0EnsuresViolation CFG has 22 procedures, 143 locations, 21 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 SDtfs, 4 SDslu, 415 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=143occurred 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_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-15-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-16-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-17-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-18-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-19-2018-01-21_06-12-50-294.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_4_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-20-2018-01-21_06-12-50-294.csv Received shutdown request...