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_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_2_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 14:48:12,561 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 14:48:12,563 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 14:48:12,578 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 14:48:12,578 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 14:48:12,579 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 14:48:12,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 14:48:12,582 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 14:48:12,584 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 14:48:12,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 14:48:12,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 14:48:12,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 14:48:12,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 14:48:12,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 14:48:12,589 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 14:48:12,592 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 14:48:12,594 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 14:48:12,596 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 14:48:12,598 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 14:48:12,599 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 14:48:12,601 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 14:48:12,607 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 14:48:12,608 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 14:48:12,608 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-23 14:48:12,616 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 14:48:12,617 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 14:48:12,618 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 14:48:12,618 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 14:48:12,618 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 14:48:12,618 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 14:48:12,618 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 14:48:12,619 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 14:48:12,619 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 14:48:12,619 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 14:48:12,619 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 14:48:12,619 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 14:48:12,619 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 14:48:12,620 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 14:48:12,620 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 14:48:12,620 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 14:48:12,620 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 14:48:12,620 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 14:48:12,620 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 14:48:12,620 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 14:48:12,620 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 14:48:12,621 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 14:48:12,621 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 14:48:12,621 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 14:48:12,621 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 14:48:12,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:48:12,622 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 14:48:12,622 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 14:48:12,622 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 14:48:12,622 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 14:48:12,622 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 14:48:12,622 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 14:48:12,622 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 14:48:12,622 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 14:48:12,622 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 14:48:12,623 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 14:48:12,623 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 14:48:12,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 14:48:12,669 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 14:48:12,673 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 14:48:12,675 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 14:48:12,675 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 14:48:12,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_2_true-valid-memsafety_true-termination.i [2018-01-23 14:48:12,868 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 14:48:12,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 14:48:12,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 14:48:12,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 14:48:12,881 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 14:48:12,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:48:12" (1/1) ... [2018-01-23 14:48:12,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f424e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:48:12, skipping insertion in model container [2018-01-23 14:48:12,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:48:12" (1/1) ... [2018-01-23 14:48:12,901 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:48:12,952 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:48:13,091 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:48:13,118 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:48:13,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:48:13 WrapperNode [2018-01-23 14:48:13,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 14:48:13,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 14:48:13,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 14:48:13,132 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 14:48:13,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:48:13" (1/1) ... [2018-01-23 14:48:13,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:48:13" (1/1) ... [2018-01-23 14:48:13,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:48:13" (1/1) ... [2018-01-23 14:48:13,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:48:13" (1/1) ... [2018-01-23 14:48:13,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:48:13" (1/1) ... [2018-01-23 14:48:13,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:48:13" (1/1) ... [2018-01-23 14:48:13,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:48:13" (1/1) ... [2018-01-23 14:48:13,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 14:48:13,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 14:48:13,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 14:48:13,178 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 14:48:13,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:48:13" (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 [2018-01-23 14:48:13,230 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 14:48:13,230 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 14:48:13,230 INFO L136 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-01-23 14:48:13,230 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-23 14:48:13,231 INFO L136 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-01-23 14:48:13,231 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-01-23 14:48:13,231 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-01-23 14:48:13,231 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-01-23 14:48:13,231 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-01-23 14:48:13,231 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-01-23 14:48:13,232 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-01-23 14:48:13,232 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-01-23 14:48:13,232 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-01-23 14:48:13,232 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-01-23 14:48:13,232 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-01-23 14:48:13,232 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-01-23 14:48:13,233 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-01-23 14:48:13,233 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-01-23 14:48:13,233 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-23 14:48:13,233 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 14:48:13,233 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 14:48:13,233 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 14:48:13,234 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 14:48:13,234 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 14:48:13,234 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 14:48:13,234 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 14:48:13,234 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 14:48:13,234 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-23 14:48:13,235 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-23 14:48:13,235 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 14:48:13,235 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 14:48:13,235 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 14:48:13,235 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-23 14:48:13,235 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-23 14:48:13,235 INFO L128 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-01-23 14:48:13,236 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-01-23 14:48:13,236 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-01-23 14:48:13,236 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-01-23 14:48:13,236 INFO L128 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-01-23 14:48:13,236 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-01-23 14:48:13,236 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-01-23 14:48:13,237 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-01-23 14:48:13,237 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-01-23 14:48:13,237 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-01-23 14:48:13,237 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-01-23 14:48:13,237 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-01-23 14:48:13,237 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-01-23 14:48:13,237 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-01-23 14:48:13,238 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-01-23 14:48:13,238 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-23 14:48:13,238 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 14:48:13,238 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 14:48:13,238 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 14:48:13,681 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 14:48:13,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:48:13 BoogieIcfgContainer [2018-01-23 14:48:13,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 14:48:13,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-23 14:48:13,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-23 14:48:13,686 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-23 14:48:13,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 02:48:12" (1/3) ... [2018-01-23 14:48:13,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639d490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:48:13, skipping insertion in model container [2018-01-23 14:48:13,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:48:13" (2/3) ... [2018-01-23 14:48:13,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639d490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:48:13, skipping insertion in model container [2018-01-23 14:48:13,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:48:13" (3/3) ... [2018-01-23 14:48:13,691 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2_true-valid-memsafety_true-termination.i [2018-01-23 14:48:13,700 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-23 14:48:13,709 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 20 error locations. [2018-01-23 14:48:13,762 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:13,762 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:13,763 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:13,763 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:13,763 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:13,763 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:13,763 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:13,763 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_initErr0EnsuresViolation======== [2018-01-23 14:48:13,764 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:13,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-23 14:48:13,798 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:13,800 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] [2018-01-23 14:48:13,800 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0EnsuresViolation]=== [2018-01-23 14:48:13,805 INFO L82 PathProgramCache]: Analyzing trace with hash -411686870, now seen corresponding path program 1 times [2018-01-23 14:48:13,808 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:13,808 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:13,866 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:13,867 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:13,867 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:13,932 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:14,153 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:14,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:48:14,155 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:48:14,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:48:14,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:48:14,174 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 5 states. [2018-01-23 14:48:14,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:14,246 INFO L93 Difference]: Finished difference Result 258 states and 283 transitions. [2018-01-23 14:48:14,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:48:14,247 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-23 14:48:14,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:14,253 INFO L225 Difference]: With dead ends: 258 [2018-01-23 14:48:14,253 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:14,257 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 [2018-01-23 14:48:14,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:14,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:14,277 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-23 14:48:14,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:14,277 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:14,277 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:48:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:14,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:14,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:48:14,378 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:14,379 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:14,379 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:14,379 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-23 14:48:14,379 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-23 14:48:14,379 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-23 14:48:14,380 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:14,380 INFO L404 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: true [2018-01-23 14:48:14,380 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-23 14:48:14,380 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-23 14:48:14,380 INFO L404 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: true [2018-01-23 14:48:14,380 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: true [2018-01-23 14:48:14,381 INFO L404 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: true [2018-01-23 14:48:14,381 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:14,381 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-23 14:48:14,381 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:14,381 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:14,381 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:14,381 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:14,381 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:14,382 INFO L404 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: true [2018-01-23 14:48:14,382 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:14,382 INFO L404 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: true [2018-01-23 14:48:14,382 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:14,382 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-23 14:48:14,382 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:14,382 INFO L404 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: true [2018-01-23 14:48:14,382 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-23 14:48:14,383 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:14,383 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-23 14:48:14,383 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:14,383 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:14,383 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:14,383 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:14,383 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:14,384 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:14,384 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:14,384 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:14,384 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: true [2018-01-23 14:48:14,384 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:14,384 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:14,384 INFO L404 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: true [2018-01-23 14:48:14,385 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:14,385 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-23 14:48:14,385 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:14,385 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-23 14:48:14,385 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: true [2018-01-23 14:48:14,385 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:14,385 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:14,386 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:14,386 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:14,386 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: true [2018-01-23 14:48:14,386 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,386 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,386 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,386 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-23 14:48:14,386 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:14,386 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:14,386 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:14,386 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:14,387 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:14,387 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-23 14:48:14,387 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:14,387 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:14,387 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:14,387 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-23 14:48:14,387 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-23 14:48:14,387 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:14,388 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-23 14:48:14,388 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:14,388 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: true [2018-01-23 14:48:14,388 INFO L404 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: true [2018-01-23 14:48:14,388 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:14,388 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:14,388 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-23 14:48:14,388 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:14,388 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-23 14:48:14,388 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-23 14:48:14,388 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-23 14:48:14,389 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:14,389 INFO L404 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: true [2018-01-23 14:48:14,389 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-23 14:48:14,389 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:14,389 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:14,389 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:14,389 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:14,389 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:14,389 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,389 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,390 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:14,390 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,390 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:14,390 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:14,390 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-23 14:48:14,390 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:14,390 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:14,390 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:14,390 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:14,390 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:14,391 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:14,391 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:14,391 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:14,391 INFO L404 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:14,391 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:14,391 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:14,391 INFO L404 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: true [2018-01-23 14:48:14,392 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:14,392 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-23 14:48:14,392 INFO L404 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: true [2018-01-23 14:48:14,392 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:14,392 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-23 14:48:14,392 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:14,392 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:14,393 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:14,393 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-23 14:48:14,393 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:14,393 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:14,393 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:14,393 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,393 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:14,393 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,393 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,394 INFO L404 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: true [2018-01-23 14:48:14,394 INFO L404 ceAbstractionStarter]: At program point L1439(line 1439) the Hoare annotation is: true [2018-01-23 14:48:14,394 INFO L404 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: true [2018-01-23 14:48:14,394 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:14,394 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-23 14:48:14,394 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-23 14:48:14,394 INFO L404 ceAbstractionStarter]: At program point L1439'(line 1439) the Hoare annotation is: true [2018-01-23 14:48:14,394 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:14,394 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:14,394 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-23 14:48:14,395 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-23 14:48:14,395 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-23 14:48:14,395 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:14,395 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-23 14:48:14,395 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:14,395 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:14,395 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-23 14:48:14,400 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:14,400 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:14,400 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:14,401 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:14,401 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:14,401 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:14,401 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:14,401 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_createErr0EnsuresViolation======== [2018-01-23 14:48:14,401 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:14,405 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-23 14:48:14,406 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:14,406 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:14,406 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_createErr0EnsuresViolation]=== [2018-01-23 14:48:14,406 INFO L82 PathProgramCache]: Analyzing trace with hash -377860710, now seen corresponding path program 1 times [2018-01-23 14:48:14,407 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:14,407 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:14,409 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:14,409 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:14,409 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:14,427 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:14,461 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:14,461 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:48:14,461 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:48:14,461 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:48:14,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:48:14,462 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-01-23 14:48:14,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:14,624 INFO L93 Difference]: Finished difference Result 141 states and 150 transitions. [2018-01-23 14:48:14,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:48:14,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-01-23 14:48:14,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:14,625 INFO L225 Difference]: With dead ends: 141 [2018-01-23 14:48:14,625 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:14,625 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 [2018-01-23 14:48:14,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:14,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:14,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-23 14:48:14,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:14,626 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:14,626 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:48:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:14,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:14,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:48:14,712 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:14,712 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:14,712 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:14,712 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-23 14:48:14,712 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-23 14:48:14,712 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-23 14:48:14,712 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:14,712 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,712 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-23 14:48:14,712 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-23 14:48:14,713 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,713 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,713 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,713 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:14,713 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-23 14:48:14,713 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:14,713 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:14,713 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:14,713 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:14,713 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:14,713 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,713 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:14,714 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,714 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:14,714 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-23 14:48:14,714 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:14,714 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,714 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-23 14:48:14,714 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:14,714 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-23 14:48:14,714 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:14,714 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:14,714 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:14,714 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:14,714 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:14,715 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:14,715 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:14,715 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:14,715 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,715 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:14,715 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:14,715 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,715 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:14,715 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-23 14:48:14,715 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:14,715 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-23 14:48:14,716 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,716 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:14,716 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:14,716 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:14,716 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:14,716 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,716 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,716 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,717 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,717 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-23 14:48:14,717 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:14,717 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:14,717 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:14,717 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:14,717 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:14,717 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-23 14:48:14,717 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:14,717 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:14,717 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:14,717 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-23 14:48:14,718 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-23 14:48:14,718 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:14,718 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-23 14:48:14,718 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:14,718 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,718 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,718 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:14,718 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:14,718 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-23 14:48:14,718 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:14,718 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-23 14:48:14,718 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-23 14:48:14,718 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-23 14:48:14,719 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:14,719 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,719 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-23 14:48:14,719 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:14,719 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:14,719 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:14,719 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:14,719 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:14,719 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,719 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,719 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,719 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,719 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:14,720 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:14,720 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-23 14:48:14,720 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:14,720 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:14,720 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:14,720 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:14,720 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:14,720 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,720 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:14,720 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:14,720 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,720 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:14,720 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:14,721 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,721 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:14,721 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-23 14:48:14,721 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,721 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:14,721 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-23 14:48:14,721 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:14,721 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:14,721 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:14,721 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-23 14:48:14,721 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:14,721 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:14,722 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:14,722 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,722 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:14,722 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,722 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:14,722 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,722 INFO L397 ceAbstractionStarter]: At program point L1439(line 1439) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,722 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,722 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:14,722 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,722 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-23 14:48:14,722 INFO L397 ceAbstractionStarter]: At program point L1439'(line 1439) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:14,722 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:14,723 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:14,723 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-23 14:48:14,723 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-23 14:48:14,723 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-23 14:48:14,723 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:14,723 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-23 14:48:14,723 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:14,723 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:14,723 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-23 14:48:14,725 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:14,725 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:14,726 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:14,726 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:14,726 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:14,726 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:14,726 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:14,726 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_subErr0EnsuresViolation======== [2018-01-23 14:48:14,726 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:14,728 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:14,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-23 14:48:14,731 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:14,731 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] [2018-01-23 14:48:14,731 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-23 14:48:14,731 INFO L82 PathProgramCache]: Analyzing trace with hash 466820553, now seen corresponding path program 1 times [2018-01-23 14:48:14,732 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:14,732 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:14,733 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:14,733 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:14,734 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:14,771 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:14,882 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:14,882 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-23 14:48:14,882 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-23 14:48:14,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-23 14:48:14,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-23 14:48:14,883 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 7 states. [2018-01-23 14:48:14,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:14,999 INFO L93 Difference]: Finished difference Result 216 states and 234 transitions. [2018-01-23 14:48:14,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:48:14,999 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-01-23 14:48:14,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:15,006 INFO L225 Difference]: With dead ends: 216 [2018-01-23 14:48:15,006 INFO L226 Difference]: Without dead ends: 116 [2018-01-23 14:48:15,007 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 [2018-01-23 14:48:15,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-01-23 14:48:15,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-01-23 14:48:15,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-01-23 14:48:15,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 122 transitions. [2018-01-23 14:48:15,034 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 122 transitions. Word has length 44 [2018-01-23 14:48:15,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:15,034 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 122 transitions. [2018-01-23 14:48:15,034 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-23 14:48:15,034 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 122 transitions. [2018-01-23 14:48:15,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-01-23 14:48:15,037 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:15,037 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:15,037 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-23 14:48:15,038 INFO L82 PathProgramCache]: Analyzing trace with hash -279688779, now seen corresponding path program 1 times [2018-01-23 14:48:15,038 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:15,038 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:15,039 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,039 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:15,039 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:15,055 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:15,151 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:15,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:48:15,153 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:48:15,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:48:15,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:48:15,154 INFO L87 Difference]: Start difference. First operand 114 states and 122 transitions. Second operand 5 states. [2018-01-23 14:48:15,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:15,179 INFO L93 Difference]: Finished difference Result 214 states and 229 transitions. [2018-01-23 14:48:15,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:48:15,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2018-01-23 14:48:15,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:15,182 INFO L225 Difference]: With dead ends: 214 [2018-01-23 14:48:15,182 INFO L226 Difference]: Without dead ends: 114 [2018-01-23 14:48:15,184 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 [2018-01-23 14:48:15,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-01-23 14:48:15,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-01-23 14:48:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-01-23 14:48:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2018-01-23 14:48:15,197 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 56 [2018-01-23 14:48:15,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:15,198 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2018-01-23 14:48:15,198 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:48:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2018-01-23 14:48:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-23 14:48:15,200 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:15,200 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] [2018-01-23 14:48:15,201 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-23 14:48:15,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1275293683, now seen corresponding path program 1 times [2018-01-23 14:48:15,201 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:15,201 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:15,203 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,203 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:15,203 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:15,220 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:15,295 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:15,296 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-23 14:48:15,296 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:48:15,297 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:48:15,297 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:48:15,297 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand 4 states. [2018-01-23 14:48:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:15,333 INFO L93 Difference]: Finished difference Result 114 states and 121 transitions. [2018-01-23 14:48:15,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:48:15,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2018-01-23 14:48:15,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:15,334 INFO L225 Difference]: With dead ends: 114 [2018-01-23 14:48:15,334 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:15,335 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 [2018-01-23 14:48:15,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:15,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:15,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-01-23 14:48:15,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:15,336 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:15,336 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:48:15,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:15,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:15,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:48:15,437 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:15,437 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:15,438 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:15,438 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-23 14:48:15,438 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-23 14:48:15,438 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-23 14:48:15,438 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:15,438 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-23 14:48:15,438 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-23 14:48:15,438 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-23 14:48:15,438 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,438 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,439 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-23 14:48:15,439 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:15,439 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-23 14:48:15,439 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:15,439 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:15,439 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:15,439 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:15,439 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:15,439 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,440 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:15,440 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,440 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:15,440 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-23 14:48:15,440 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:15,440 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,440 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-23 14:48:15,440 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:15,440 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-23 14:48:15,441 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:15,441 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:15,441 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:15,441 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:15,441 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:15,441 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:15,441 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:15,441 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:15,441 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,442 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:15,442 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:15,442 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,442 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:15,442 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-23 14:48:15,442 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:15,442 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-23 14:48:15,442 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,443 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:15,443 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:15,443 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:15,443 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:15,443 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,443 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,443 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,443 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,443 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-23 14:48:15,444 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:15,444 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:15,444 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:15,444 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:15,444 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:15,444 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-23 14:48:15,444 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:15,444 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:15,444 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:15,445 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-23 14:48:15,445 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-23 14:48:15,445 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:15,445 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-23 14:48:15,445 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:15,445 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,445 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|)))) [2018-01-23 14:48:15,445 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:15,446 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:15,446 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-23 14:48:15,446 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:15,446 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-23 14:48:15,446 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-23 14:48:15,446 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-23 14:48:15,446 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:15,446 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,446 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-23 14:48:15,447 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:15,447 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:15,447 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:15,447 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:15,447 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:15,447 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,447 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,447 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,447 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,448 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:15,448 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:15,448 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-23 14:48:15,448 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:15,448 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:15,448 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:15,448 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:15,448 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:15,448 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,449 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:15,449 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:15,449 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,449 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:15,449 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:15,449 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,449 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:15,449 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-23 14:48:15,449 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,450 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:15,450 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-23 14:48:15,450 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:15,450 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:15,450 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:15,450 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-23 14:48:15,450 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:15,450 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:15,451 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:15,451 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,451 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:15,451 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,451 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,451 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:15,451 INFO L397 ceAbstractionStarter]: At program point L1439(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:15,452 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,452 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:15,452 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,452 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-23 14:48:15,452 INFO L397 ceAbstractionStarter]: At program point L1439'(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:15,452 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:15,452 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:15,452 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-23 14:48:15,452 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-23 14:48:15,453 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-23 14:48:15,453 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:15,453 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-23 14:48:15,453 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:15,453 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:15,453 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-23 14:48:15,456 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:15,456 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:15,456 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:15,456 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:15,456 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:15,456 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:15,456 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:15,456 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_atomic_add_returnErr0EnsuresViolation======== [2018-01-23 14:48:15,456 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:15,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-23 14:48:15,458 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:15,458 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:15,458 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_atomic_add_returnErr0EnsuresViolation]=== [2018-01-23 14:48:15,458 INFO L82 PathProgramCache]: Analyzing trace with hash -658855223, now seen corresponding path program 1 times [2018-01-23 14:48:15,459 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:15,459 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:15,459 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,460 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:15,460 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:15,471 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:15,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:15,486 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:15,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-23 14:48:15,486 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:48:15,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:48:15,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:48:15,487 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-01-23 14:48:15,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:15,491 INFO L93 Difference]: Finished difference Result 139 states and 148 transitions. [2018-01-23 14:48:15,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:48:15,491 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-01-23 14:48:15,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:15,492 INFO L225 Difference]: With dead ends: 139 [2018-01-23 14:48:15,492 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:15,493 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 [2018-01-23 14:48:15,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:15,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:15,494 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-23 14:48:15,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:15,494 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:15,494 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:48:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:15,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:15,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:48:15,545 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:15,545 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:15,545 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:15,545 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-23 14:48:15,545 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-23 14:48:15,545 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-23 14:48:15,545 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:15,545 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-23 14:48:15,545 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-23 14:48:15,545 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-23 14:48:15,546 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,546 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,546 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-23 14:48:15,546 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:15,546 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-23 14:48:15,546 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:15,546 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:15,546 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:15,546 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:15,546 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:15,546 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,546 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:15,546 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,547 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:15,547 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-23 14:48:15,547 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:15,547 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,547 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-23 14:48:15,547 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:15,547 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-23 14:48:15,547 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:15,547 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:15,547 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:15,547 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:15,547 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:15,547 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:15,548 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,549 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-23 14:48:15,549 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-23 14:48:15,549 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:15,549 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-23 14:48:15,550 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-23 14:48:15,550 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:15,550 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-23 14:48:15,550 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:15,550 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,550 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|)))) [2018-01-23 14:48:15,550 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:15,550 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:15,550 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-23 14:48:15,550 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:15,550 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-23 14:48:15,550 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-23 14:48:15,550 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-23 14:48:15,550 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:15,551 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:15,552 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:15,552 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:15,552 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:15,552 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,552 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:15,552 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:15,552 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,552 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:15,552 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:15,552 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,552 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:15,552 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-23 14:48:15,552 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,552 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:15,552 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-23 14:48:15,553 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:15,553 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:15,553 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:15,553 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-23 14:48:15,553 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:15,553 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:15,553 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:15,553 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,553 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:15,553 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,553 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,553 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:15,553 INFO L397 ceAbstractionStarter]: At program point L1439(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:15,553 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,554 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:15,554 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,554 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-23 14:48:15,554 INFO L397 ceAbstractionStarter]: At program point L1439'(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:15,554 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:15,554 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:15,554 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-23 14:48:15,554 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-23 14:48:15,554 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-23 14:48:15,554 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:15,554 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-23 14:48:15,554 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:15,554 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:15,554 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-23 14:48:15,556 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:15,556 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:15,556 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:15,556 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:15,556 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:15,557 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:15,557 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:15,557 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_releaseErr0EnsuresViolation======== [2018-01-23 14:48:15,557 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-01-23 14:48:15,560 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:15,560 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:15,560 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-23 14:48:15,561 INFO L82 PathProgramCache]: Analyzing trace with hash 337447622, now seen corresponding path program 1 times [2018-01-23 14:48:15,561 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:15,561 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:15,562 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,562 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:15,562 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:15,581 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:15,655 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:15,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-23 14:48:15,656 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-23 14:48:15,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-23 14:48:15,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-23 14:48:15,656 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 7 states. [2018-01-23 14:48:15,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:15,706 INFO L93 Difference]: Finished difference Result 216 states and 234 transitions. [2018-01-23 14:48:15,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:48:15,707 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-01-23 14:48:15,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:15,709 INFO L225 Difference]: With dead ends: 216 [2018-01-23 14:48:15,709 INFO L226 Difference]: Without dead ends: 116 [2018-01-23 14:48:15,710 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 [2018-01-23 14:48:15,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-01-23 14:48:15,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-01-23 14:48:15,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-01-23 14:48:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 122 transitions. [2018-01-23 14:48:15,721 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 122 transitions. Word has length 56 [2018-01-23 14:48:15,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:15,721 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 122 transitions. [2018-01-23 14:48:15,721 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-23 14:48:15,721 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 122 transitions. [2018-01-23 14:48:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-01-23 14:48:15,722 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:15,723 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:15,723 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-23 14:48:15,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1862290254, now seen corresponding path program 1 times [2018-01-23 14:48:15,723 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:15,723 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:15,724 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,724 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:15,724 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:15,735 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:15,801 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:15,801 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:48:15,801 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:48:15,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:48:15,802 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:48:15,802 INFO L87 Difference]: Start difference. First operand 114 states and 122 transitions. Second operand 5 states. [2018-01-23 14:48:15,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:15,825 INFO L93 Difference]: Finished difference Result 214 states and 229 transitions. [2018-01-23 14:48:15,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:48:15,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-01-23 14:48:15,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:15,829 INFO L225 Difference]: With dead ends: 214 [2018-01-23 14:48:15,829 INFO L226 Difference]: Without dead ends: 114 [2018-01-23 14:48:15,829 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 [2018-01-23 14:48:15,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-01-23 14:48:15,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-01-23 14:48:15,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-01-23 14:48:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2018-01-23 14:48:15,839 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 68 [2018-01-23 14:48:15,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:15,839 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2018-01-23 14:48:15,840 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:48:15,840 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2018-01-23 14:48:15,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-01-23 14:48:15,841 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:15,841 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] [2018-01-23 14:48:15,841 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-23 14:48:15,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1780388368, now seen corresponding path program 1 times [2018-01-23 14:48:15,841 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:15,841 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:15,842 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,843 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:15,843 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:15,854 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:15,888 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:15,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-23 14:48:15,888 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:48:15,888 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:48:15,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:48:15,889 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand 4 states. [2018-01-23 14:48:15,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:15,923 INFO L93 Difference]: Finished difference Result 114 states and 121 transitions. [2018-01-23 14:48:15,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:48:15,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2018-01-23 14:48:15,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:15,924 INFO L225 Difference]: With dead ends: 114 [2018-01-23 14:48:15,924 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:15,924 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 [2018-01-23 14:48:15,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:15,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:15,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:15,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:15,925 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-01-23 14:48:15,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:15,926 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:15,926 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:48:15,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:15,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:15,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:48:15,993 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:15,993 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:15,993 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:15,993 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-23 14:48:15,993 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-23 14:48:15,993 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-23 14:48:15,993 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:15,993 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-23 14:48:15,993 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-23 14:48:15,993 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-23 14:48:15,993 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,994 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,994 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-23 14:48:15,994 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:15,994 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-23 14:48:15,994 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:15,994 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:15,994 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:15,994 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:15,994 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:15,994 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,994 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:15,994 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,995 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:15,995 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-23 14:48:15,995 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:15,995 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,995 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-23 14:48:15,995 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:15,995 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-23 14:48:15,995 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:15,995 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:15,995 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:15,995 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:15,995 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:15,995 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:15,996 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:15,996 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:15,996 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,996 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:15,996 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:15,996 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,996 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:15,996 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-23 14:48:15,996 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:15,996 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-23 14:48:15,996 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,996 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:15,996 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:15,996 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:15,997 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:15,997 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,997 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,997 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,997 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:15,997 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-23 14:48:15,997 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:15,997 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:15,997 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:15,997 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:15,997 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:15,997 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-23 14:48:15,997 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:15,998 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:15,998 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:15,998 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-23 14:48:15,998 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-23 14:48:15,998 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:15,998 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-23 14:48:15,998 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:15,998 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,998 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|)))) [2018-01-23 14:48:15,998 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:15,998 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:15,998 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-23 14:48:15,999 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:15,999 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-23 14:48:15,999 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-23 14:48:15,999 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-23 14:48:15,999 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:15,999 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:15,999 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-23 14:48:15,999 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:15,999 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:15,999 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:15,999 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:15,999 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:15,999 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,000 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,000 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,000 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,000 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:16,000 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,000 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-23 14:48:16,000 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:16,000 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:16,000 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:16,000 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,000 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,000 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,000 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,001 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,001 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,001 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:16,001 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,001 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,001 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,001 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-23 14:48:16,001 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,001 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,001 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-23 14:48:16,001 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,001 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:16,002 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:16,002 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-23 14:48:16,002 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,002 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,002 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:16,002 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,002 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:16,002 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,002 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,002 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,002 INFO L397 ceAbstractionStarter]: At program point L1439(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,002 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,003 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,003 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,003 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-23 14:48:16,003 INFO L397 ceAbstractionStarter]: At program point L1439'(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,003 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,003 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,003 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-23 14:48:16,003 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-23 14:48:16,003 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-23 14:48:16,003 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,003 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-23 14:48:16,003 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,004 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,004 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-23 14:48:16,005 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:16,005 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:16,005 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:16,006 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:16,006 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:16,006 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:16,006 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:16,006 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_cleanupErr0EnsuresViolation======== [2018-01-23 14:48:16,006 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-01-23 14:48:16,008 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:16,008 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:16,008 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-23 14:48:16,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1067804101, now seen corresponding path program 1 times [2018-01-23 14:48:16,009 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:16,009 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:16,010 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,010 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:16,010 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:16,023 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:16,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:16,216 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:16,216 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-23 14:48:16,216 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-23 14:48:16,217 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-23 14:48:16,217 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-23 14:48:16,217 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 7 states. [2018-01-23 14:48:16,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:16,271 INFO L93 Difference]: Finished difference Result 216 states and 234 transitions. [2018-01-23 14:48:16,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:48:16,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2018-01-23 14:48:16,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:16,273 INFO L225 Difference]: With dead ends: 216 [2018-01-23 14:48:16,273 INFO L226 Difference]: Without dead ends: 116 [2018-01-23 14:48:16,274 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-23 14:48:16,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-01-23 14:48:16,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-01-23 14:48:16,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-01-23 14:48:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 122 transitions. [2018-01-23 14:48:16,285 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 122 transitions. Word has length 54 [2018-01-23 14:48:16,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:16,286 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 122 transitions. [2018-01-23 14:48:16,286 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-23 14:48:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 122 transitions. [2018-01-23 14:48:16,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-01-23 14:48:16,287 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:16,287 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:16,287 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-23 14:48:16,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1820930265, now seen corresponding path program 1 times [2018-01-23 14:48:16,287 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:16,288 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:16,289 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,289 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:16,289 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:16,299 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:16,343 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:16,343 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:48:16,343 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:48:16,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:48:16,344 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:48:16,344 INFO L87 Difference]: Start difference. First operand 114 states and 122 transitions. Second operand 5 states. [2018-01-23 14:48:16,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:16,360 INFO L93 Difference]: Finished difference Result 214 states and 229 transitions. [2018-01-23 14:48:16,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:48:16,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-01-23 14:48:16,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:16,361 INFO L225 Difference]: With dead ends: 214 [2018-01-23 14:48:16,361 INFO L226 Difference]: Without dead ends: 114 [2018-01-23 14:48:16,362 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 [2018-01-23 14:48:16,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-01-23 14:48:16,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-01-23 14:48:16,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-01-23 14:48:16,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2018-01-23 14:48:16,371 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 66 [2018-01-23 14:48:16,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:16,371 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2018-01-23 14:48:16,372 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:48:16,372 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2018-01-23 14:48:16,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-01-23 14:48:16,373 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:16,373 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:16,373 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-23 14:48:16,373 INFO L82 PathProgramCache]: Analyzing trace with hash 592560101, now seen corresponding path program 1 times [2018-01-23 14:48:16,373 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:16,374 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:16,375 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,375 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:16,375 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:16,384 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:16,410 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:16,410 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-23 14:48:16,411 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:48:16,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:48:16,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:48:16,411 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand 4 states. [2018-01-23 14:48:16,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:16,453 INFO L93 Difference]: Finished difference Result 114 states and 121 transitions. [2018-01-23 14:48:16,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:48:16,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2018-01-23 14:48:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:16,457 INFO L225 Difference]: With dead ends: 114 [2018-01-23 14:48:16,457 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:16,457 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 [2018-01-23 14:48:16,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:16,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:16,458 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2018-01-23 14:48:16,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:16,458 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:16,459 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:48:16,459 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:16,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:16,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:48:16,545 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,545 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,545 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,545 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-23 14:48:16,545 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-23 14:48:16,545 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-23 14:48:16,546 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,546 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-23 14:48:16,546 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-23 14:48:16,546 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-23 14:48:16,546 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,546 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,546 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-23 14:48:16,546 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,546 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-23 14:48:16,546 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,547 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:16,547 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:16,547 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,547 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,547 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,547 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,547 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,547 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,547 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-23 14:48:16,547 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:16,548 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,548 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-23 14:48:16,548 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,548 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-23 14:48:16,548 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:16,548 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,548 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:16,548 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:16,548 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,548 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:16,549 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,550 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,550 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,550 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,550 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-23 14:48:16,550 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,550 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:16,550 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,550 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,550 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:16,550 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-23 14:48:16,550 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,551 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,551 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,551 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-23 14:48:16,551 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-23 14:48:16,551 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:16,551 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-23 14:48:16,551 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:16,551 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,551 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|)))) [2018-01-23 14:48:16,552 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:16,552 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:16,552 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-23 14:48:16,552 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:16,552 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-23 14:48:16,552 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-23 14:48:16,552 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-23 14:48:16,552 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:16,552 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,552 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-23 14:48:16,553 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:16,553 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,553 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,553 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,553 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:16,553 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,553 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,553 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,553 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,553 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:16,554 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,554 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-23 14:48:16,554 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:16,554 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:16,554 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:16,554 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,554 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,554 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,554 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,554 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,555 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,555 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:16,555 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,555 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,555 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,555 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-23 14:48:16,555 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,555 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,555 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-23 14:48:16,555 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,556 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:16,556 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:16,556 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-23 14:48:16,556 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,556 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,556 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:16,556 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,556 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:16,556 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,556 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,557 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,557 INFO L397 ceAbstractionStarter]: At program point L1439(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,557 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,557 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,557 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,557 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-23 14:48:16,557 INFO L397 ceAbstractionStarter]: At program point L1439'(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,557 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,558 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,558 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-23 14:48:16,558 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-23 14:48:16,558 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-23 14:48:16,558 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,558 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-23 14:48:16,558 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,558 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,558 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-23 14:48:16,559 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:16,559 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:16,559 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:16,559 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:16,559 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:16,559 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:16,560 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:16,560 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-23 14:48:16,560 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-23 14:48:16,561 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:16,562 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:16,562 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-23 14:48:16,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1834068331, now seen corresponding path program 1 times [2018-01-23 14:48:16,562 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:16,562 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:16,563 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,563 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:16,563 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:16,571 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-23 14:48:16,597 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:16,597 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:48:16,597 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:48:16,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:48:16,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:48:16,597 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-01-23 14:48:16,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:16,714 INFO L93 Difference]: Finished difference Result 141 states and 150 transitions. [2018-01-23 14:48:16,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:48:16,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-01-23 14:48:16,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:16,764 INFO L225 Difference]: With dead ends: 141 [2018-01-23 14:48:16,764 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:16,765 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:48:16,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:16,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:16,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:16,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-01-23 14:48:16,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:16,765 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:16,765 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:48:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:16,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:16,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:48:16,801 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,801 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,801 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,801 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-23 14:48:16,801 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-23 14:48:16,801 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-23 14:48:16,801 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,801 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-23 14:48:16,801 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-23 14:48:16,801 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-23 14:48:16,801 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,802 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,802 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-23 14:48:16,802 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,802 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-23 14:48:16,802 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,802 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:16,802 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:16,802 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,802 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,802 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,802 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,802 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,802 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,802 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-23 14:48:16,802 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,803 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,804 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,805 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|)))) [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:16,805 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-23 14:48:16,806 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-23 14:48:16,806 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-23 14:48:16,806 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,806 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,806 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,807 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,808 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,808 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-23 14:48:16,808 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,808 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,808 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-23 14:48:16,808 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,808 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:16,808 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:16,808 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-23 14:48:16,808 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,808 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,808 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:16,808 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,808 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:16,808 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,809 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,809 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,809 INFO L397 ceAbstractionStarter]: At program point L1439(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,809 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,809 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,809 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,809 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-23 14:48:16,809 INFO L397 ceAbstractionStarter]: At program point L1439'(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,809 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,809 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,809 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-23 14:48:16,809 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-23 14:48:16,809 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-23 14:48:16,809 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,810 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-23 14:48:16,810 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,810 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,810 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-23 14:48:16,811 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:16,811 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:16,811 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:16,811 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:16,811 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:16,811 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:16,811 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:16,812 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == LDV_INIT_LIST_HEADErr0EnsuresViolation======== [2018-01-23 14:48:16,812 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:16,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-23 14:48:16,814 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:16,814 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] [2018-01-23 14:48:16,814 INFO L371 AbstractCegarLoop]: === Iteration 1 === [LDV_INIT_LIST_HEADErr0EnsuresViolation]=== [2018-01-23 14:48:16,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1532322675, now seen corresponding path program 1 times [2018-01-23 14:48:16,814 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:16,814 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:16,815 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,816 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:16,816 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:16,822 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:16,866 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:16,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:48:16,866 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:48:16,866 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:48:16,866 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:48:16,866 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 5 states. [2018-01-23 14:48:16,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:16,882 INFO L93 Difference]: Finished difference Result 258 states and 283 transitions. [2018-01-23 14:48:16,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:48:16,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-01-23 14:48:16,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:16,883 INFO L225 Difference]: With dead ends: 258 [2018-01-23 14:48:16,883 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:16,883 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 [2018-01-23 14:48:16,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:16,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:16,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-01-23 14:48:16,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:16,884 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:16,884 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:48:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:16,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:16,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:48:16,917 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,917 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,917 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,918 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-23 14:48:16,918 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-23 14:48:16,918 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-23 14:48:16,918 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,918 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-23 14:48:16,918 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-23 14:48:16,918 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-23 14:48:16,918 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,918 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,918 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-23 14:48:16,918 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,918 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-23 14:48:16,918 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,918 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:16,918 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:16,919 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,919 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,919 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,919 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,919 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,919 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,919 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-23 14:48:16,919 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:16,919 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,919 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-23 14:48:16,919 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,919 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-23 14:48:16,919 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:16,919 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,919 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:16,920 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,921 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,922 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-23 14:48:16,922 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-23 14:48:16,922 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:16,922 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-23 14:48:16,922 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:16,922 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,922 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|)))) [2018-01-23 14:48:16,922 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:16,922 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:16,922 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-23 14:48:16,922 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:16,922 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-23 14:48:16,922 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-23 14:48:16,922 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-23 14:48:16,922 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:16,923 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:16,924 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:16,924 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,924 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,924 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,924 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,924 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,924 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,924 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:16,924 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,924 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,924 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,924 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-23 14:48:16,924 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,924 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,924 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-23 14:48:16,924 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,925 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:16,925 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:16,925 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-23 14:48:16,925 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,925 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,925 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:16,925 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,925 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:16,925 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,925 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,925 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,925 INFO L397 ceAbstractionStarter]: At program point L1439(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,925 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,925 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,925 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,926 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-23 14:48:16,926 INFO L397 ceAbstractionStarter]: At program point L1439'(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,926 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,926 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,926 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-23 14:48:16,926 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-23 14:48:16,926 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-23 14:48:16,926 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,926 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-23 14:48:16,926 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,926 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,926 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-23 14:48:16,928 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:16,928 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:16,928 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:16,928 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:16,928 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:16,928 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:16,928 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:16,928 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_getErr0EnsuresViolation======== [2018-01-23 14:48:16,928 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:16,929 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:16,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-23 14:48:16,930 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:16,930 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] [2018-01-23 14:48:16,930 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_getErr0EnsuresViolation]=== [2018-01-23 14:48:16,931 INFO L82 PathProgramCache]: Analyzing trace with hash 44721757, now seen corresponding path program 1 times [2018-01-23 14:48:16,931 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:16,931 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:16,932 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,932 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:16,932 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:16,938 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:16,946 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:16,946 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-23 14:48:16,947 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:48:16,947 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:48:16,947 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:48:16,947 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-01-23 14:48:16,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:16,951 INFO L93 Difference]: Finished difference Result 139 states and 148 transitions. [2018-01-23 14:48:16,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:48:16,951 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2018-01-23 14:48:16,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:16,952 INFO L225 Difference]: With dead ends: 139 [2018-01-23 14:48:16,952 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:16,953 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 [2018-01-23 14:48:16,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:16,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:16,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:16,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-01-23 14:48:16,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:16,954 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:16,954 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:48:16,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:16,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:16,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:48:16,982 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,982 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,982 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:16,982 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-23 14:48:16,982 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-23 14:48:16,982 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-23 14:48:16,982 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,982 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-23 14:48:16,982 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-23 14:48:16,982 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-23 14:48:16,983 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,983 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,983 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-23 14:48:16,983 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,983 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-23 14:48:16,983 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:16,983 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:16,983 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:16,983 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,983 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,983 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,983 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,983 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,984 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,984 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-23 14:48:16,984 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:16,984 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,984 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-23 14:48:16,984 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:16,984 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-23 14:48:16,984 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:16,984 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,984 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:16,984 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:16,984 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,984 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:16,985 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:16,985 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,985 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,985 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,985 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:16,985 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,985 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:16,985 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-23 14:48:16,985 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:16,985 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-23 14:48:16,985 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,985 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:16,985 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:16,986 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:16,986 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:16,986 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,986 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,986 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,986 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,986 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-23 14:48:16,986 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,986 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:16,986 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,986 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:16,986 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:16,986 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-23 14:48:16,987 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,987 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,987 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:16,987 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-23 14:48:16,987 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-23 14:48:16,987 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:16,987 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-23 14:48:16,987 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:16,987 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,987 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|)))) [2018-01-23 14:48:16,987 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:16,987 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:16,987 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-23 14:48:16,988 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:16,988 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-23 14:48:16,988 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-23 14:48:16,988 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-23 14:48:16,988 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:16,988 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,988 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-23 14:48:16,988 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:16,988 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,988 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,988 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:16,988 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:16,988 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,988 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,989 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,989 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,989 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:16,989 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,989 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-23 14:48:16,989 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:16,989 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:16,989 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:16,989 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,989 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:16,989 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,989 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,989 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:16,990 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,990 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:16,990 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,990 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,990 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,990 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-23 14:48:16,990 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,990 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:16,990 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-23 14:48:16,990 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,990 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:16,990 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:16,990 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-23 14:48:16,990 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,991 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:16,991 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:16,991 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,991 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:16,991 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,991 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:16,991 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,991 INFO L397 ceAbstractionStarter]: At program point L1439(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,991 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,991 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,991 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:16,991 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-23 14:48:16,992 INFO L397 ceAbstractionStarter]: At program point L1439'(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:16,992 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,992 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:16,992 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-23 14:48:16,992 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-23 14:48:16,992 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-23 14:48:16,992 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,992 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-23 14:48:16,992 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,992 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:16,992 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-23 14:48:16,994 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:16,994 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:16,994 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:16,994 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:16,994 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:16,994 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:16,994 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:16,994 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_putErr0EnsuresViolation======== [2018-01-23 14:48:16,995 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:16,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-23 14:48:16,997 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:16,997 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] [2018-01-23 14:48:16,997 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_putErr0EnsuresViolation]=== [2018-01-23 14:48:16,997 INFO L82 PathProgramCache]: Analyzing trace with hash 2135157380, now seen corresponding path program 1 times [2018-01-23 14:48:16,997 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:16,998 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:16,998 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:16,998 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:16,999 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:17,005 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:17,016 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:17,016 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:48:17,016 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:48:17,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:48:17,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:48:17,017 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-01-23 14:48:17,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:17,137 INFO L93 Difference]: Finished difference Result 141 states and 150 transitions. [2018-01-23 14:48:17,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:48:17,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-01-23 14:48:17,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:17,138 INFO L225 Difference]: With dead ends: 141 [2018-01-23 14:48:17,138 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:17,138 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 [2018-01-23 14:48:17,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:17,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:17,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-23 14:48:17,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:17,139 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:17,139 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:48:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:17,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:17,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:48:17,184 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:17,184 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:17,184 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:17,184 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-23 14:48:17,184 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-23 14:48:17,184 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-23 14:48:17,184 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:17,185 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-23 14:48:17,185 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-23 14:48:17,185 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-23 14:48:17,185 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,185 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,185 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-23 14:48:17,185 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:17,185 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-23 14:48:17,185 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:17,185 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:17,185 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:17,185 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:17,185 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:17,185 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,185 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:17,186 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,187 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:17,188 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,189 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|)))) [2018-01-23 14:48:17,189 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:17,189 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:17,189 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-23 14:48:17,189 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:17,189 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-23 14:48:17,189 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-23 14:48:17,189 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-23 14:48:17,189 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:17,189 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,189 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-23 14:48:17,189 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:17,189 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:17,189 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:17,189 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:17,190 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:17,191 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,191 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:17,191 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:17,191 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,191 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:17,191 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-23 14:48:17,191 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,191 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:17,191 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-23 14:48:17,191 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:17,191 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:17,191 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:17,191 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-23 14:48:17,191 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:17,191 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:17,192 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:17,192 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,192 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:17,192 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,192 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,192 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:17,192 INFO L397 ceAbstractionStarter]: At program point L1439(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:17,192 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,192 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:17,192 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,192 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-23 14:48:17,192 INFO L397 ceAbstractionStarter]: At program point L1439'(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:17,192 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:17,192 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:17,193 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-23 14:48:17,193 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-23 14:48:17,193 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-23 14:48:17,193 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:17,193 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-23 14:48:17,193 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:17,193 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:17,193 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-23 14:48:17,195 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:17,195 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:17,195 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:17,195 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:17,195 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:17,195 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:17,195 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:17,195 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_initErr0EnsuresViolation======== [2018-01-23 14:48:17,195 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-23 14:48:17,198 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:17,198 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:17,198 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_initErr0EnsuresViolation]=== [2018-01-23 14:48:17,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1154446356, now seen corresponding path program 1 times [2018-01-23 14:48:17,198 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:17,199 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:17,199 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,200 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:17,200 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:17,204 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:17,231 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:17,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:48:17,232 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:48:17,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:48:17,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:48:17,232 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 5 states. [2018-01-23 14:48:17,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:17,250 INFO L93 Difference]: Finished difference Result 258 states and 283 transitions. [2018-01-23 14:48:17,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:48:17,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-23 14:48:17,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:17,251 INFO L225 Difference]: With dead ends: 258 [2018-01-23 14:48:17,251 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:17,252 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 [2018-01-23 14:48:17,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:17,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-23 14:48:17,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:17,253 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:17,253 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:48:17,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:17,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:17,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-23 14:48:17,291 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:17,291 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:17,291 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-23 14:48:17,291 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-23 14:48:17,291 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-23 14:48:17,291 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-23 14:48:17,291 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:17,292 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-23 14:48:17,292 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-23 14:48:17,292 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-23 14:48:17,292 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,292 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,292 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-23 14:48:17,292 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:17,292 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-23 14:48:17,292 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-23 14:48:17,293 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-23 14:48:17,293 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-23 14:48:17,293 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:17,293 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:17,293 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,293 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:17,293 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,293 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:17,293 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-23 14:48:17,293 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:17,294 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,294 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-23 14:48:17,294 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-23 14:48:17,294 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_add_returnENTRY(lines 1253 1260) the Hoare annotation is: true [2018-01-23 14:48:17,294 INFO L401 ceAbstractionStarter]: For program point L1256'(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:17,294 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnEXIT(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:17,294 INFO L401 ceAbstractionStarter]: For program point L1258(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:17,294 INFO L401 ceAbstractionStarter]: For program point L1256(line 1256) no Hoare annotation was computed. [2018-01-23 14:48:17,294 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnFINAL(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:17,294 INFO L401 ceAbstractionStarter]: For program point L1258'(line 1258) no Hoare annotation was computed. [2018-01-23 14:48:17,294 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_add_returnErr0EnsuresViolation(lines 1253 1260) no Hoare annotation was computed. [2018-01-23 14:48:17,295 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:17,295 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,295 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:17,295 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-23 14:48:17,295 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,295 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:17,295 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-23 14:48:17,295 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:17,295 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-23 14:48:17,295 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,296 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-23 14:48:17,296 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:17,296 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-23 14:48:17,296 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-23 14:48:17,296 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,296 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,296 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,296 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,296 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-23 14:48:17,296 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:17,296 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:17,297 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:17,297 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-23 14:48:17,297 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-23 14:48:17,297 INFO L404 ceAbstractionStarter]: At program point L1308(line 1308) the Hoare annotation is: true [2018-01-23 14:48:17,297 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getFINAL(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:17,297 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getEXIT(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:17,297 INFO L401 ceAbstractionStarter]: For program point ldv_kref_getErr0EnsuresViolation(lines 1301 1309) no Hoare annotation was computed. [2018-01-23 14:48:17,297 INFO L404 ceAbstractionStarter]: At program point ldv_kref_getENTRY(lines 1301 1309) the Hoare annotation is: true [2018-01-23 14:48:17,297 INFO L401 ceAbstractionStarter]: For program point L1308'(line 1308) no Hoare annotation was computed. [2018-01-23 14:48:17,297 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:17,297 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-23 14:48:17,297 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:17,298 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,298 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|)))) [2018-01-23 14:48:17,298 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-23 14:48:17,298 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-23 14:48:17,298 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-23 14:48:17,298 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:17,298 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-23 14:48:17,298 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-23 14:48:17,298 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-23 14:48:17,298 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-23 14:48:17,299 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,299 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-23 14:48:17,299 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:17,299 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:17,299 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:17,299 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-23 14:48:17,299 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-23 14:48:17,299 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,299 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,299 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,299 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,299 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:17,300 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:17,300 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-23 14:48:17,300 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:17,300 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-23 14:48:17,300 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-23 14:48:17,300 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:17,300 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-23 14:48:17,300 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,300 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-23 14:48:17,300 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-23 14:48:17,300 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,301 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-23 14:48:17,301 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:17,301 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,301 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:17,301 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-23 14:48:17,301 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,301 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-23 14:48:17,301 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_getENTRY(lines 1371 1376) the Hoare annotation is: true [2018-01-23 14:48:17,301 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getFINAL(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:17,301 INFO L401 ceAbstractionStarter]: For program point L1373'(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:17,301 INFO L401 ceAbstractionStarter]: For program point L1373(lines 1373 1374) no Hoare annotation was computed. [2018-01-23 14:48:17,302 INFO L404 ceAbstractionStarter]: At program point L1374(line 1374) the Hoare annotation is: true [2018-01-23 14:48:17,302 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getEXIT(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:17,302 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_getErr0EnsuresViolation(lines 1371 1376) no Hoare annotation was computed. [2018-01-23 14:48:17,302 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:17,302 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,302 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-23 14:48:17,302 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,302 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-23 14:48:17,302 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:17,302 INFO L397 ceAbstractionStarter]: At program point L1439(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:17,303 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,303 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:17,303 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-23 14:48:17,303 INFO L401 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-23 14:48:17,303 INFO L397 ceAbstractionStarter]: At program point L1439'(line 1439) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~28.offset) (= 0 entry_point_~kobj~28.base)) [2018-01-23 14:48:17,303 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:17,303 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-23 14:48:17,303 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-23 14:48:17,303 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-23 14:48:17,303 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-23 14:48:17,303 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:17,304 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-23 14:48:17,304 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:17,304 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-23 14:48:17,304 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-23 14:48:17,305 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:17,305 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:17,306 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:17,306 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:17,306 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:17,306 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:17,306 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:17,306 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-23 14:48:17,306 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:17,308 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:17,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-23 14:48:17,308 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:17,308 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:17,308 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-23 14:48:17,308 INFO L82 PathProgramCache]: Analyzing trace with hash -820992531, now seen corresponding path program 1 times [2018-01-23 14:48:17,309 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:17,309 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:17,310 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,310 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:17,310 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:17,314 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:17,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:17,322 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:17,322 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:48:17,322 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:48:17,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:48:17,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:48:17,323 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-01-23 14:48:17,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:17,448 INFO L93 Difference]: Finished difference Result 141 states and 150 transitions. [2018-01-23 14:48:17,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:48:17,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-01-23 14:48:17,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:17,449 INFO L225 Difference]: With dead ends: 141 [2018-01-23 14:48:17,449 INFO L226 Difference]: Without dead ends: 16 [2018-01-23 14:48:17,450 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 [2018-01-23 14:48:17,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-01-23 14:48:17,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-01-23 14:48:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-01-23 14:48:17,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-01-23 14:48:17,453 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2018-01-23 14:48:17,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:17,453 INFO L432 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-01-23 14:48:17,453 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:48:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-01-23 14:48:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-23 14:48:17,454 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:17,454 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:17,454 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-23 14:48:17,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1300071023, now seen corresponding path program 1 times [2018-01-23 14:48:17,454 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:17,454 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:17,455 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,455 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:17,456 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:48:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:48:17,487 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:48:17,492 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:17,494 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:17,504 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:17,504 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:17,504 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:17,504 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:17,504 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:17,504 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:17,504 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:17,504 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-23 14:48:17,504 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:17,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-23 14:48:17,506 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:17,506 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-23 14:48:17,506 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-23 14:48:17,506 INFO L82 PathProgramCache]: Analyzing trace with hash 218497, now seen corresponding path program 1 times [2018-01-23 14:48:17,506 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:17,506 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:17,507 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,507 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:17,507 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:48:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:48:17,511 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:48:17,512 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:17,513 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:17,514 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:17,514 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:17,514 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:17,514 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:17,514 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:17,514 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:17,514 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_atomic_sub_returnErr0EnsuresViolation======== [2018-01-23 14:48:17,514 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:17,515 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-01-23 14:48:17,516 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:17,516 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] [2018-01-23 14:48:17,516 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_atomic_sub_returnErr0EnsuresViolation]=== [2018-01-23 14:48:17,516 INFO L82 PathProgramCache]: Analyzing trace with hash 2142886987, now seen corresponding path program 1 times [2018-01-23 14:48:17,517 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:17,517 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:17,517 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,517 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:17,518 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:17,526 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:17,539 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:17,539 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-23 14:48:17,540 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:48:17,540 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:48:17,541 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:48:17,541 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-01-23 14:48:17,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:17,545 INFO L93 Difference]: Finished difference Result 139 states and 148 transitions. [2018-01-23 14:48:17,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:48:17,546 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 40 [2018-01-23 14:48:17,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:17,546 INFO L225 Difference]: With dead ends: 139 [2018-01-23 14:48:17,546 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:17,547 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 [2018-01-23 14:48:17,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:17,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:17,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:17,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2018-01-23 14:48:17,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:17,547 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:17,547 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:48:17,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:17,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:17,549 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:17,549 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:17,549 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:17,549 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:17,549 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:17,549 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:17,549 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:17,550 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation======== [2018-01-23 14:48:17,550 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-23 14:48:17,553 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:17,553 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] [2018-01-23 14:48:17,553 INFO L371 AbstractCegarLoop]: === Iteration 1 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-23 14:48:17,553 INFO L82 PathProgramCache]: Analyzing trace with hash -2130345425, now seen corresponding path program 1 times [2018-01-23 14:48:17,554 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:17,554 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:17,555 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,555 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:17,555 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:17,567 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:17,644 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:17,644 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-23 14:48:17,644 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-23 14:48:17,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-23 14:48:17,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-23 14:48:17,645 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 7 states. [2018-01-23 14:48:17,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:17,720 INFO L93 Difference]: Finished difference Result 216 states and 234 transitions. [2018-01-23 14:48:17,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:48:17,721 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-01-23 14:48:17,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:17,722 INFO L225 Difference]: With dead ends: 216 [2018-01-23 14:48:17,723 INFO L226 Difference]: Without dead ends: 116 [2018-01-23 14:48:17,723 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 [2018-01-23 14:48:17,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-01-23 14:48:17,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-01-23 14:48:17,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-01-23 14:48:17,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 122 transitions. [2018-01-23 14:48:17,731 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 122 transitions. Word has length 58 [2018-01-23 14:48:17,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:17,732 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 122 transitions. [2018-01-23 14:48:17,732 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-23 14:48:17,732 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 122 transitions. [2018-01-23 14:48:17,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-01-23 14:48:17,733 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:17,733 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] [2018-01-23 14:48:17,733 INFO L371 AbstractCegarLoop]: === Iteration 2 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-23 14:48:17,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1340432667, now seen corresponding path program 1 times [2018-01-23 14:48:17,733 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:17,734 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:17,734 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,735 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:17,735 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:17,743 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:17,785 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:17,785 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:48:17,785 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:48:17,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:48:17,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:48:17,786 INFO L87 Difference]: Start difference. First operand 114 states and 122 transitions. Second operand 5 states. [2018-01-23 14:48:17,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:17,798 INFO L93 Difference]: Finished difference Result 214 states and 229 transitions. [2018-01-23 14:48:17,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:48:17,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-01-23 14:48:17,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:17,799 INFO L225 Difference]: With dead ends: 214 [2018-01-23 14:48:17,799 INFO L226 Difference]: Without dead ends: 114 [2018-01-23 14:48:17,800 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 [2018-01-23 14:48:17,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-01-23 14:48:17,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-01-23 14:48:17,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-01-23 14:48:17,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2018-01-23 14:48:17,804 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 70 [2018-01-23 14:48:17,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:17,805 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2018-01-23 14:48:17,805 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:48:17,805 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2018-01-23 14:48:17,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-01-23 14:48:17,806 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:17,806 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] [2018-01-23 14:48:17,806 INFO L371 AbstractCegarLoop]: === Iteration 3 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-23 14:48:17,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1556233511, now seen corresponding path program 1 times [2018-01-23 14:48:17,806 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:17,807 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:17,807 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,808 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:17,808 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:17,816 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:17,866 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:17,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-23 14:48:17,866 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:48:17,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:48:17,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:48:17,867 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand 4 states. [2018-01-23 14:48:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:17,891 INFO L93 Difference]: Finished difference Result 114 states and 121 transitions. [2018-01-23 14:48:17,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:48:17,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-01-23 14:48:17,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:17,896 INFO L225 Difference]: With dead ends: 114 [2018-01-23 14:48:17,896 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:17,896 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 [2018-01-23 14:48:17,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:17,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:17,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:17,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2018-01-23 14:48:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:17,897 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:17,897 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:48:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:17,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:17,898 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:17,898 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:17,898 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:17,898 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:17,899 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:17,899 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:17,899 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:17,899 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_putErr0EnsuresViolation======== [2018-01-23 14:48:17,899 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-01-23 14:48:17,901 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:17,901 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:17,901 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-23 14:48:17,902 INFO L82 PathProgramCache]: Analyzing trace with hash -52853833, now seen corresponding path program 1 times [2018-01-23 14:48:17,902 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:17,902 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:17,902 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,903 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:17,903 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:17,911 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:17,982 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:17,982 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-23 14:48:17,983 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-23 14:48:17,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-23 14:48:17,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-23 14:48:17,983 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 7 states. [2018-01-23 14:48:18,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:18,032 INFO L93 Difference]: Finished difference Result 216 states and 234 transitions. [2018-01-23 14:48:18,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:48:18,033 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2018-01-23 14:48:18,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:18,034 INFO L225 Difference]: With dead ends: 216 [2018-01-23 14:48:18,034 INFO L226 Difference]: Without dead ends: 116 [2018-01-23 14:48:18,035 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 [2018-01-23 14:48:18,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-01-23 14:48:18,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2018-01-23 14:48:18,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-01-23 14:48:18,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 122 transitions. [2018-01-23 14:48:18,042 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 122 transitions. Word has length 47 [2018-01-23 14:48:18,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:18,042 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 122 transitions. [2018-01-23 14:48:18,043 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-23 14:48:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 122 transitions. [2018-01-23 14:48:18,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-01-23 14:48:18,043 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:18,044 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:18,044 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-23 14:48:18,044 INFO L82 PathProgramCache]: Analyzing trace with hash 28295243, now seen corresponding path program 1 times [2018-01-23 14:48:18,044 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:18,044 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:18,045 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,045 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:18,045 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:18,052 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:18,151 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:18,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:48:18,152 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:48:18,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:48:18,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:48:18,152 INFO L87 Difference]: Start difference. First operand 114 states and 122 transitions. Second operand 5 states. [2018-01-23 14:48:18,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:18,195 INFO L93 Difference]: Finished difference Result 214 states and 229 transitions. [2018-01-23 14:48:18,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:48:18,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2018-01-23 14:48:18,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:18,196 INFO L225 Difference]: With dead ends: 214 [2018-01-23 14:48:18,196 INFO L226 Difference]: Without dead ends: 114 [2018-01-23 14:48:18,197 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 [2018-01-23 14:48:18,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-01-23 14:48:18,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-01-23 14:48:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-01-23 14:48:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2018-01-23 14:48:18,201 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 59 [2018-01-23 14:48:18,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:18,201 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2018-01-23 14:48:18,201 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:48:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2018-01-23 14:48:18,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-01-23 14:48:18,202 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:18,202 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:18,202 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-23 14:48:18,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1006433971, now seen corresponding path program 1 times [2018-01-23 14:48:18,202 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:18,202 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:18,203 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,203 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:18,203 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:18,210 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:18,227 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:18,227 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-23 14:48:18,228 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:48:18,228 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:48:18,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:48:18,228 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand 4 states. [2018-01-23 14:48:18,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:18,297 INFO L93 Difference]: Finished difference Result 114 states and 121 transitions. [2018-01-23 14:48:18,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:48:18,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-01-23 14:48:18,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:18,298 INFO L225 Difference]: With dead ends: 114 [2018-01-23 14:48:18,298 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:18,299 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 [2018-01-23 14:48:18,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:18,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:18,299 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-01-23 14:48:18,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:18,299 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:18,299 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:48:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:18,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:18,300 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:18,300 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:18,300 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:18,301 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:18,301 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:18,301 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:18,301 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:18,301 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_getErr0EnsuresViolation======== [2018-01-23 14:48:18,301 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:18,302 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:18,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-23 14:48:18,302 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:18,302 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:18,302 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_getErr0EnsuresViolation]=== [2018-01-23 14:48:18,302 INFO L82 PathProgramCache]: Analyzing trace with hash -452896976, now seen corresponding path program 1 times [2018-01-23 14:48:18,302 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:18,302 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:18,303 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,303 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:18,303 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:18,308 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:18,312 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:18,312 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-23 14:48:18,312 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:48:18,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:48:18,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:48:18,312 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-01-23 14:48:18,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:18,315 INFO L93 Difference]: Finished difference Result 139 states and 148 transitions. [2018-01-23 14:48:18,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:48:18,315 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-01-23 14:48:18,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:18,315 INFO L225 Difference]: With dead ends: 139 [2018-01-23 14:48:18,315 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:18,316 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 [2018-01-23 14:48:18,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:18,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:18,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-01-23 14:48:18,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:18,317 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:18,317 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:48:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:18,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:18,318 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:18,318 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:18,318 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:18,318 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:18,319 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:18,319 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:18,319 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:18,319 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-23 14:48:18,319 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:18,320 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:18,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-01-23 14:48:18,320 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:18,321 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:18,321 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:48:18,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1603079968, now seen corresponding path program 1 times [2018-01-23 14:48:18,321 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:18,321 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:18,322 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,322 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:18,322 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:48:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:48:18,340 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:48:18,343 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:18,344 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:18,345 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:18,346 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:18,347 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:18,348 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:18,348 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:18,348 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:18,349 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:48:18,353 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:18,353 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:18,353 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:18,353 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:18,353 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:18,354 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:18,354 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:18,354 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-23 14:48:18,354 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:18,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-23 14:48:18,356 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:18,356 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:48:18,356 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-23 14:48:18,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1316525794, now seen corresponding path program 1 times [2018-01-23 14:48:18,357 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:18,357 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:18,357 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,357 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:18,358 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:18,363 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-23 14:48:18,390 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:18,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:48:18,390 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:48:18,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:48:18,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:48:18,391 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-01-23 14:48:18,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:18,507 INFO L93 Difference]: Finished difference Result 141 states and 150 transitions. [2018-01-23 14:48:18,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:48:18,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-01-23 14:48:18,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:18,508 INFO L225 Difference]: With dead ends: 141 [2018-01-23 14:48:18,508 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:18,508 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 [2018-01-23 14:48:18,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:18,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:18,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:18,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-01-23 14:48:18,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:18,509 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:18,509 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:48:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:18,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:18,510 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:48:18,510 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:48:18,510 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:48:18,510 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:48:18,511 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:48:18,511 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:48:18,511 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:48:18,511 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_init_internalErr0EnsuresViolation======== [2018-01-23 14:48:18,511 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:48:18,512 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-23 14:48:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-23 14:48:18,512 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:48:18,512 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] [2018-01-23 14:48:18,512 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_init_internalErr0EnsuresViolation]=== [2018-01-23 14:48:18,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1981053390, now seen corresponding path program 1 times [2018-01-23 14:48:18,512 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:48:18,512 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:48:18,513 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,513 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:48:18,513 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:48:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:48:18,517 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:48:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:48:18,597 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:48:18,597 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:48:18,597 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:48:18,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:48:18,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:48:18,598 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 5 states. [2018-01-23 14:48:18,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:48:18,620 INFO L93 Difference]: Finished difference Result 258 states and 283 transitions. [2018-01-23 14:48:18,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:48:18,620 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-01-23 14:48:18,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:48:18,621 INFO L225 Difference]: With dead ends: 258 [2018-01-23 14:48:18,621 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:48:18,621 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 [2018-01-23 14:48:18,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:48:18,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:48:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:48:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:48:18,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-23 14:48:18,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:48:18,622 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:48:18,623 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:48:18,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:48:18,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:48:18,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 02:48:18 BoogieIcfgContainer [2018-01-23 14:48:18,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-23 14:48:18,626 INFO L168 Benchmark]: Toolchain (without parser) took 5757.20 ms. Allocated memory was 299.4 MB in the beginning and 545.3 MB in the end (delta: 245.9 MB). Free memory was 256.7 MB in the beginning and 385.9 MB in the end (delta: -129.2 MB). Peak memory consumption was 116.7 MB. Max. memory is 5.3 GB. [2018-01-23 14:48:18,628 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 299.4 MB. Free memory is still 262.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:48:18,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.31 ms. Allocated memory is still 299.4 MB. Free memory was 256.7 MB in the beginning and 242.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. [2018-01-23 14:48:18,628 INFO L168 Benchmark]: Boogie Preprocessor took 45.23 ms. Allocated memory is still 299.4 MB. Free memory was 242.7 MB in the beginning and 240.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-01-23 14:48:18,629 INFO L168 Benchmark]: RCFGBuilder took 504.79 ms. Allocated memory is still 299.4 MB. Free memory was 240.6 MB in the beginning and 206.1 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 5.3 GB. [2018-01-23 14:48:18,629 INFO L168 Benchmark]: TraceAbstraction took 4941.61 ms. Allocated memory was 299.4 MB in the beginning and 545.3 MB in the end (delta: 245.9 MB). Free memory was 206.1 MB in the beginning and 385.9 MB in the end (delta: -179.8 MB). Peak memory consumption was 66.1 MB. Max. memory is 5.3 GB. [2018-01-23 14:48:18,631 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 299.4 MB. Free memory is still 262.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 257.31 ms. Allocated memory is still 299.4 MB. Free memory was 256.7 MB in the beginning and 242.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.23 ms. Allocated memory is still 299.4 MB. Free memory was 242.7 MB in the beginning and 240.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 504.79 ms. Allocated memory is still 299.4 MB. Free memory was 240.6 MB in the beginning and 206.1 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4941.61 ms. Allocated memory was 299.4 MB in the beginning and 545.3 MB in the end (delta: 245.9 MB). Free memory was 206.1 MB in the beginning and 385.9 MB in the end (delta: -179.8 MB). Peak memory consumption was 66.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1292]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_initErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 4 SDslu, 409 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=139occurred 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, 42 LocationsWithAnnotation, 74 PreInvPairs, 79 NumberOfFragments, 42 HoareAnnotationTreeSize, 74 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 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 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 101 SDtfs, 70 SDslu, 3 SDs, 0 SdLazy, 41 SolverSat, 40 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=139occurred 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, 42 LocationsWithAnnotation, 44 PreInvPairs, 44 NumberOfFragments, 90 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1276]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_subErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 271 SDtfs, 14 SDslu, 1047 SDs, 0 SdLazy, 52 SolverSat, 7 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=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 93 PreInvPairs, 96 NumberOfFragments, 82 HoareAnnotationTreeSize, 93 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 12191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1253]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_atomic_add_returnErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 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=139occurred 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, 42 LocationsWithAnnotation, 44 PreInvPairs, 44 NumberOfFragments, 42 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1348]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_releaseErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 271 SDtfs, 14 SDslu, 1047 SDs, 0 SdLazy, 52 SolverSat, 7 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=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 93 PreInvPairs, 96 NumberOfFragments, 82 HoareAnnotationTreeSize, 93 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 17351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1336]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_cleanupErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 271 SDtfs, 14 SDslu, 1047 SDs, 0 SdLazy, 52 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 93 PreInvPairs, 96 NumberOfFragments, 82 HoareAnnotationTreeSize, 93 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 16431 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1443]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 101 SDtfs, 62 SDslu, 3 SDs, 0 SdLazy, 41 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred 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, 42 LocationsWithAnnotation, 44 PreInvPairs, 44 NumberOfFragments, 90 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 3648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1097]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: LDV_INIT_LIST_HEADErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 4 SDslu, 409 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=139occurred 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, 42 LocationsWithAnnotation, 74 PreInvPairs, 79 NumberOfFragments, 42 HoareAnnotationTreeSize, 74 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 2257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1301]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_getErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 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=139occurred 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, 42 LocationsWithAnnotation, 44 PreInvPairs, 44 NumberOfFragments, 42 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1359]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_putErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 101 SDtfs, 74 SDslu, 3 SDs, 0 SdLazy, 41 SolverSat, 42 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=139occurred 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, 42 LocationsWithAnnotation, 44 PreInvPairs, 44 NumberOfFragments, 90 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 1015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1390]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_initErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 4 SDslu, 409 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=139occurred 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, 42 LocationsWithAnnotation, 74 PreInvPairs, 79 NumberOfFragments, 42 HoareAnnotationTreeSize, 74 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1072]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1444] CALL entry_point() [L1436] struct ldv_kobject *kobj; [L1437] CALL ldv_kobject_create() [L1406] struct ldv_kobject *kobj; [L1408] CALL ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) VAL [\old(size)=16, malloc(size)={18:0}, size=16] [L1074] return malloc(size); VAL [\old(size)=16, \result={18:0}, malloc(size)={18:0}, size=16] - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_mallocErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 101 SDtfs, 74 SDslu, 3 SDs, 0 SdLazy, 41 SolverSat, 42 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=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1262]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_atomic_sub_returnErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 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=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1521 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1282]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 271 SDtfs, 14 SDslu, 1047 SDs, 0 SdLazy, 52 SolverSat, 7 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=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 18295 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1311]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_putErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 271 SDtfs, 14 SDslu, 1047 SDs, 0 SdLazy, 52 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 13400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1371]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_getErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 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=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1444] CALL entry_point() [L1436] struct ldv_kobject *kobj; [L1437] CALL, EXPR ldv_kobject_create() [L1406] struct ldv_kobject *kobj; [L1408] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] RET return 0; VAL [\old(size)=16, \result={0:0}, size=16] [L1408] EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_malloc(sizeof(*kobj))={0:0}] [L1408] kobj = ldv_malloc(sizeof(*kobj)) [L1409] COND TRUE !kobj [L1410] RET return 0; VAL [\result={0:0}, kobj={0:0}] [L1437] EXPR ldv_kobject_create() VAL [ldv_kobject_create()={0:0}] [L1437] kobj = ldv_kobject_create() [L1438] CALL ldv_kobject_get(kobj) VAL [kobj={0:0}] [L1373] COND FALSE !(\read(*kobj)) VAL [kobj={0:0}, kobj={0:0}] [L1375] RET return kobj; VAL [\result={0:0}, kobj={0:0}, kobj={0:0}] [L1438] ldv_kobject_get(kobj) VAL [kobj={0:0}, ldv_kobject_get(kobj)={0:0}] [L1439] CALL ldv_kobject_put(kobj) VAL [kobj={0:0}] [L1361] COND FALSE, RET !(\read(*kobj)) VAL [kobj={0:0}, kobj={0:0}] [L1439] ldv_kobject_put(kobj) VAL [kobj={0:0}] [L1440] CALL ldv_kobject_put(kobj) VAL [kobj={0:0}] [L1361] COND FALSE !(\read(*kobj)) VAL [kobj={0:0}, kobj={0:0}] [L1440] FCALL ldv_kobject_put(kobj) - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred 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, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1435]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: entry_pointErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 101 SDtfs, 63 SDslu, 3 SDs, 0 SdLazy, 41 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 3168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1378]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_init_internalErr0EnsuresViolation CFG has 21 procedures, 139 locations, 20 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 4 SDslu, 409 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=139occurred 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_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-15-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-16-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-17-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-18-2018-01-23_14-48-18-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_2_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-19-2018-01-23_14-48-18-646.csv Received shutdown request...