java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_3_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 03:27:08,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 03:27:08,814 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 03:27:08,827 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 03:27:08,827 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 03:27:08,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 03:27:08,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 03:27:08,830 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 03:27:08,832 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 03:27:08,832 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 03:27:08,833 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 03:27:08,833 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 03:27:08,834 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 03:27:08,836 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 03:27:08,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 03:27:08,840 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 03:27:08,842 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 03:27:08,844 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 03:27:08,846 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 03:27:08,847 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 03:27:08,850 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-21 03:27:08,850 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-21 03:27:08,850 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-21 03:27:08,851 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-21 03:27:08,852 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-21 03:27:08,854 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-21 03:27:08,854 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-21 03:27:08,855 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-21 03:27:08,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-21 03:27:08,855 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 03:27:08,856 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 03:27:08,856 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf [2018-01-21 03:27:08,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 03:27:08,867 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 03:27:08,868 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 03:27:08,868 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 03:27:08,868 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 03:27:08,868 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 03:27:08,868 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 03:27:08,868 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 03:27:08,868 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 03:27:08,869 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 03:27:08,869 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 03:27:08,869 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 03:27:08,869 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 03:27:08,870 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 03:27:08,870 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 03:27:08,870 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 03:27:08,870 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 03:27:08,870 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 03:27:08,870 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 03:27:08,870 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 03:27:08,870 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 03:27:08,871 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 03:27:08,871 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 03:27:08,871 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 03:27:08,871 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 03:27:08,871 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 03:27:08,872 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 03:27:08,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 03:27:08,872 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 03:27:08,872 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 03:27:08,872 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 03:27:08,872 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 03:27:08,872 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 03:27:08,873 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 03:27:08,873 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 03:27:08,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 03:27:08,873 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 03:27:08,873 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 03:27:08,874 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 03:27:08,874 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 03:27:08,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 03:27:08,917 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 03:27:08,921 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 03:27:08,922 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 03:27:08,922 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 03:27:08,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test22_3_false-valid-deref.i [2018-01-21 03:27:09,131 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 03:27:09,137 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 03:27:09,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 03:27:09,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 03:27:09,145 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 03:27:09,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:27:09" (1/1) ... [2018-01-21 03:27:09,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f922628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:27:09, skipping insertion in model container [2018-01-21 03:27:09,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:27:09" (1/1) ... [2018-01-21 03:27:09,170 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:27:09,235 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:27:09,379 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:27:09,408 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:27:09,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:27:09 WrapperNode [2018-01-21 03:27:09,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 03:27:09,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 03:27:09,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 03:27:09,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 03:27:09,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:27:09" (1/1) ... [2018-01-21 03:27:09,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:27:09" (1/1) ... [2018-01-21 03:27:09,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:27:09" (1/1) ... [2018-01-21 03:27:09,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:27:09" (1/1) ... [2018-01-21 03:27:09,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:27:09" (1/1) ... [2018-01-21 03:27:09,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:27:09" (1/1) ... [2018-01-21 03:27:09,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:27:09" (1/1) ... [2018-01-21 03:27:09,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 03:27:09,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 03:27:09,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 03:27:09,472 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 03:27:09,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:27:09" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 03:27:09,532 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 03:27:09,532 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 03:27:09,533 INFO L136 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-01-21 03:27:09,533 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 03:27:09,533 INFO L136 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-01-21 03:27:09,533 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-01-21 03:27:09,533 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-01-21 03:27:09,533 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-01-21 03:27:09,533 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-01-21 03:27:09,533 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-01-21 03:27:09,533 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-01-21 03:27:09,533 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-01-21 03:27:09,534 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-01-21 03:27:09,534 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-01-21 03:27:09,534 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-01-21 03:27:09,534 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 03:27:09,534 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 03:27:09,535 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 03:27:09,535 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 03:27:09,535 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 03:27:09,535 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 03:27:09,535 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 03:27:09,535 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 03:27:09,536 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 03:27:09,536 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-21 03:27:09,536 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-21 03:27:09,536 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 03:27:09,536 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 03:27:09,536 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 03:27:09,536 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-21 03:27:09,537 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 03:27:09,537 INFO L128 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-01-21 03:27:09,537 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-01-21 03:27:09,537 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-01-21 03:27:09,537 INFO L128 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-01-21 03:27:09,537 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-01-21 03:27:09,537 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-01-21 03:27:09,538 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-01-21 03:27:09,538 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-01-21 03:27:09,538 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-01-21 03:27:09,538 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-01-21 03:27:09,538 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-01-21 03:27:09,538 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-01-21 03:27:09,538 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 03:27:09,539 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 03:27:09,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 03:27:09,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 03:27:10,005 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 03:27:10,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:27:10 BoogieIcfgContainer [2018-01-21 03:27:10,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 03:27:10,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 03:27:10,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 03:27:10,010 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 03:27:10,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 03:27:09" (1/3) ... [2018-01-21 03:27:10,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc1645b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:27:10, skipping insertion in model container [2018-01-21 03:27:10,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:27:09" (2/3) ... [2018-01-21 03:27:10,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc1645b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:27:10, skipping insertion in model container [2018-01-21 03:27:10,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:27:10" (3/3) ... [2018-01-21 03:27:10,014 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test22_3_false-valid-deref.i [2018-01-21 03:27:10,020 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 03:27:10,027 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-01-21 03:27:10,077 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:10,078 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:10,078 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:10,078 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:10,078 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:10,078 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:10,079 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:10,079 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_initErr0EnsuresViolation======== [2018-01-21 03:27:10,080 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:10,101 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 03:27:10,107 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:10,108 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:10,109 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0EnsuresViolation]=== [2018-01-21 03:27:10,114 INFO L82 PathProgramCache]: Analyzing trace with hash 459385429, now seen corresponding path program 1 times [2018-01-21 03:27:10,117 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:10,187 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:10,187 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:10,187 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:10,187 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:10,284 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:10,466 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:10,466 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:27:10,467 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:10,470 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:27:10,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:27:10,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:10,593 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 5 states. [2018-01-21 03:27:10,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:10,697 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2018-01-21 03:27:10,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:27:10,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-21 03:27:10,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:10,714 INFO L225 Difference]: With dead ends: 215 [2018-01-21 03:27:10,714 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:10,722 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:10,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:10,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:10,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 03:27:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:10,747 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:10,748 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:27:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:10,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:10,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:27:10,855 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:10,856 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:10,856 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:10,856 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:27:10,856 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:27:10,857 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:27:10,857 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:10,857 INFO L404 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: true [2018-01-21 03:27:10,857 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:27:10,857 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:27:10,857 INFO L404 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: true [2018-01-21 03:27:10,857 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: true [2018-01-21 03:27:10,858 INFO L404 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: true [2018-01-21 03:27:10,858 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:10,858 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:27:10,858 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:10,858 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:27:10,858 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:27:10,858 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:10,858 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:10,859 INFO L404 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: true [2018-01-21 03:27:10,859 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:10,859 INFO L404 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: true [2018-01-21 03:27:10,859 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:10,859 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:27:10,859 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:10,859 INFO L404 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: true [2018-01-21 03:27:10,860 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:27:10,860 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:10,860 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:10,860 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: true [2018-01-21 03:27:10,860 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:10,860 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:10,860 INFO L404 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: true [2018-01-21 03:27:10,860 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:10,861 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:27:10,861 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:10,861 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:27:10,861 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: true [2018-01-21 03:27:10,861 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:10,861 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:10,861 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:10,862 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:10,862 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: true [2018-01-21 03:27:10,862 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:10,862 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:10,862 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:10,862 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:27:10,862 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:10,862 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:10,863 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:10,863 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:10,863 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:10,863 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:10,863 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:27:10,863 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:10,863 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: true [2018-01-21 03:27:10,863 INFO L404 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: true [2018-01-21 03:27:10,864 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:10,864 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:10,864 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:27:10,864 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:10,864 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:27:10,864 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:27:10,864 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:27:10,865 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:10,865 INFO L404 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: true [2018-01-21 03:27:10,865 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:27:10,865 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:10,865 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:10,865 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:10,865 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:10,865 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:10,866 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:10,866 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:10,866 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:10,866 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:10,866 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:10,866 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:10,866 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:27:10,866 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:10,867 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:10,867 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:10,867 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:10,867 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:10,867 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:27:10,867 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:10,867 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:10,868 INFO L404 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:27:10,868 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:10,868 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:10,868 INFO L404 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: true [2018-01-21 03:27:10,868 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:10,868 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:27:10,868 INFO L404 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: true [2018-01-21 03:27:10,869 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:10,869 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:10,869 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:10,869 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:10,870 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:10,870 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:10,870 INFO L404 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: true [2018-01-21 03:27:10,870 INFO L404 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: true [2018-01-21 03:27:10,870 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:10,870 INFO L404 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: true [2018-01-21 03:27:10,870 INFO L404 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: true [2018-01-21 03:27:10,871 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:10,871 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:10,871 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:27:10,871 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:27:10,871 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:27:10,871 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:10,871 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:27:10,871 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:10,872 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:10,872 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:27:10,879 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:10,880 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:10,880 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:10,880 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:10,880 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:10,880 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:10,880 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:10,880 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_createErr0EnsuresViolation======== [2018-01-21 03:27:10,880 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:10,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-21 03:27:10,885 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:10,885 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:10,885 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_createErr0EnsuresViolation]=== [2018-01-21 03:27:10,885 INFO L82 PathProgramCache]: Analyzing trace with hash 442275118, now seen corresponding path program 1 times [2018-01-21 03:27:10,886 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:10,888 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:10,888 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:10,888 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:10,888 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:10,906 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:10,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:10,932 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:10,932 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:27:10,932 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:10,933 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:27:10,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:27:10,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:10,933 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 03:27:11,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:11,173 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 03:27:11,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:27:11,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-01-21 03:27:11,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:11,174 INFO L225 Difference]: With dead ends: 118 [2018-01-21 03:27:11,174 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:11,175 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:11,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:11,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:11,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:11,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-21 03:27:11,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:11,176 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:11,176 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:27:11,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:11,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:11,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:27:11,257 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:11,258 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:11,258 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:11,258 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:27:11,258 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:27:11,258 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:27:11,258 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:11,259 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,259 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:27:11,259 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:27:11,259 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,259 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,259 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,259 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:11,259 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:27:11,259 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:11,259 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:27:11,260 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:27:11,260 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:11,260 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:11,260 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,260 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:11,260 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,260 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:11,260 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:27:11,260 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:11,261 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,261 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:27:11,261 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:11,261 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:11,264 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,264 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:11,264 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:11,264 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,264 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:11,264 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:27:11,265 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:11,265 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:27:11,265 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,265 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:11,265 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:11,265 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:11,265 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:11,265 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,265 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,265 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,265 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,265 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:27:11,265 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:11,266 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:11,266 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:11,266 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:11,266 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:11,266 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:11,266 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:27:11,266 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:11,266 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,266 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,267 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:11,267 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:11,267 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:27:11,267 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:11,267 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:27:11,267 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:27:11,267 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:27:11,267 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:11,267 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,267 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:27:11,267 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:11,268 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:11,268 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:11,268 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:11,268 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:11,268 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,268 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,268 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,268 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,268 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:11,268 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:11,268 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:27:11,268 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:11,268 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:11,269 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:11,269 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:11,269 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:11,269 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,269 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:11,269 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:11,269 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,269 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:11,269 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:11,269 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,269 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:11,269 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:27:11,270 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,270 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:11,270 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:11,270 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,270 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:11,270 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,270 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,270 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,270 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,270 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:11,270 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,270 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,270 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:11,271 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:11,271 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:27:11,271 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:27:11,271 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:27:11,271 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:11,271 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:27:11,271 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:11,271 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:11,271 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:27:11,273 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:11,274 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:11,274 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:11,274 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:11,274 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:11,274 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:11,274 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:11,274 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_subErr0EnsuresViolation======== [2018-01-21 03:27:11,274 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:11,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-21 03:27:11,279 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:11,279 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:11,279 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_subErr0EnsuresViolation]=== [2018-01-21 03:27:11,280 INFO L82 PathProgramCache]: Analyzing trace with hash 987435376, now seen corresponding path program 1 times [2018-01-21 03:27:11,280 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:11,282 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:11,282 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:11,282 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:11,282 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:11,317 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:11,369 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:11,369 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:27:11,369 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:11,369 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:27:11,369 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:27:11,369 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:11,370 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 03:27:11,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:11,594 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 03:27:11,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:27:11,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-01-21 03:27:11,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:11,595 INFO L225 Difference]: With dead ends: 118 [2018-01-21 03:27:11,595 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:11,596 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:11,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:11,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:11,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:11,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-01-21 03:27:11,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:11,597 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:11,597 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:27:11,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:11,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:11,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:27:11,657 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:11,658 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:11,658 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:11,658 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:27:11,658 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:27:11,658 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:27:11,658 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:11,659 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,659 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:27:11,659 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:27:11,659 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,659 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,659 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,659 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:11,659 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:27:11,659 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:11,659 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:27:11,660 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:27:11,660 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:11,660 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:11,660 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,660 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:11,660 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,660 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:11,660 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:27:11,660 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:11,661 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,661 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:27:11,661 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:11,661 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:11,661 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,661 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:11,661 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:11,661 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,661 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:11,662 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:27:11,662 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:11,662 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:27:11,662 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,662 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:11,662 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:11,662 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:11,662 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:11,662 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,663 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,663 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,663 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,663 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:27:11,663 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:11,663 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:11,663 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:11,663 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:11,663 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:11,663 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:11,664 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:27:11,666 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:11,667 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,667 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,667 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:11,667 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:11,667 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:27:11,667 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:11,667 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:27:11,668 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:27:11,668 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:27:11,668 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:11,668 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,668 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:27:11,668 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:11,668 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:11,668 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:11,668 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:11,669 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:11,669 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,669 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,669 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,669 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,669 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:11,669 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:11,669 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:27:11,669 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:11,670 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:11,670 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:11,670 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:11,670 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:11,676 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,676 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:11,676 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:11,676 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,676 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:11,676 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:11,676 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,676 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:11,677 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:27:11,677 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,677 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:11,677 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:11,677 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,677 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:11,677 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,678 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:11,678 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,678 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,678 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:11,678 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,678 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:11,678 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:11,678 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:11,679 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:27:11,679 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:27:11,679 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:27:11,679 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:11,679 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:27:11,679 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:11,679 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:11,679 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:27:11,683 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:11,684 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:11,684 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:11,684 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:11,684 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:11,684 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:11,684 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:11,684 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_releaseErr0EnsuresViolation======== [2018-01-21 03:27:11,685 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 03:27:11,689 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:11,690 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:11,690 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 03:27:11,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1441534975, now seen corresponding path program 1 times [2018-01-21 03:27:11,690 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:11,691 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:11,692 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:11,692 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:11,692 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:11,719 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:11,833 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:11,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 03:27:11,833 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:11,834 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 03:27:11,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 03:27:11,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 03:27:11,834 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 7 states. [2018-01-21 03:27:11,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:11,939 INFO L93 Difference]: Finished difference Result 191 states and 207 transitions. [2018-01-21 03:27:11,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 03:27:11,939 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2018-01-21 03:27:11,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:11,945 INFO L225 Difference]: With dead ends: 191 [2018-01-21 03:27:11,946 INFO L226 Difference]: Without dead ends: 96 [2018-01-21 03:27:11,946 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 03:27:11,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-01-21 03:27:11,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2018-01-21 03:27:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 03:27:11,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 101 transitions. [2018-01-21 03:27:11,970 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 101 transitions. Word has length 49 [2018-01-21 03:27:11,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:11,971 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 101 transitions. [2018-01-21 03:27:11,971 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 03:27:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2018-01-21 03:27:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-01-21 03:27:11,973 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:11,973 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:11,973 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 03:27:11,974 INFO L82 PathProgramCache]: Analyzing trace with hash 395500925, now seen corresponding path program 1 times [2018-01-21 03:27:11,974 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:11,975 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:11,975 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:11,975 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:11,976 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:11,990 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:12,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:12,128 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:12,129 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:27:12,129 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:12,130 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:27:12,131 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:27:12,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:12,131 INFO L87 Difference]: Start difference. First operand 94 states and 101 transitions. Second operand 5 states. [2018-01-21 03:27:12,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:12,169 INFO L93 Difference]: Finished difference Result 174 states and 187 transitions. [2018-01-21 03:27:12,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:27:12,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2018-01-21 03:27:12,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:12,172 INFO L225 Difference]: With dead ends: 174 [2018-01-21 03:27:12,172 INFO L226 Difference]: Without dead ends: 94 [2018-01-21 03:27:12,173 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:12,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-01-21 03:27:12,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-01-21 03:27:12,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 03:27:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2018-01-21 03:27:12,184 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 61 [2018-01-21 03:27:12,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:12,184 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2018-01-21 03:27:12,185 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:27:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2018-01-21 03:27:12,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-01-21 03:27:12,187 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:12,187 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:12,187 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_releaseErr0EnsuresViolation]=== [2018-01-21 03:27:12,188 INFO L82 PathProgramCache]: Analyzing trace with hash 906609023, now seen corresponding path program 1 times [2018-01-21 03:27:12,188 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:12,189 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:12,189 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:12,189 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:12,190 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:12,212 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:12,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:12,274 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:12,274 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 03:27:12,274 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:12,275 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 03:27:12,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 03:27:12,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:27:12,275 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 4 states. [2018-01-21 03:27:12,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:12,335 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2018-01-21 03:27:12,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 03:27:12,336 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-01-21 03:27:12,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:12,337 INFO L225 Difference]: With dead ends: 94 [2018-01-21 03:27:12,337 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:12,337 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:27:12,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:12,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:12,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:12,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:12,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-01-21 03:27:12,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:12,338 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:12,338 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 03:27:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:12,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:12,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:27:12,416 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:12,417 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:12,417 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:12,417 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:27:12,417 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:27:12,417 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:27:12,417 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:12,417 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:27:12,417 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:27:12,417 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:27:12,417 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,418 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,418 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:27:12,418 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:12,418 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:27:12,418 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:12,418 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:27:12,418 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:27:12,418 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:12,418 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:12,418 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,418 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:12,418 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,418 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:12,418 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:27:12,419 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:12,419 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,419 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:27:12,419 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:12,419 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:12,419 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,419 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:12,419 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:12,419 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,419 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:12,419 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:12,420 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:12,421 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:12,421 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:12,421 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:12,421 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:27:12,421 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:12,421 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,421 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:27:12,421 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:12,421 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:12,421 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:27:12,421 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:12,421 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:27:12,421 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:27:12,422 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:27:12,422 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:12,422 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,422 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:27:12,422 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:12,422 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:12,422 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:12,422 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:12,422 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:12,422 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:12,422 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:12,422 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,423 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:12,423 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:12,423 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:12,423 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:27:12,423 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:12,423 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:12,423 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:12,423 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:12,423 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:12,424 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,424 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:12,424 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:12,424 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,424 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:12,424 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:12,424 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,424 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:12,424 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:27:12,425 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,425 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:12,425 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:12,425 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:12,425 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:12,425 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:12,425 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:12,425 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:12,425 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,426 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:12,426 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:12,426 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:12,426 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:12,426 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:12,426 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:27:12,426 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:27:12,426 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:27:12,426 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:12,427 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:27:12,427 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:12,427 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:12,427 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:27:12,429 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:12,429 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:12,429 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:12,429 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:12,429 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:12,430 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:12,430 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:12,430 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_cleanupErr0EnsuresViolation======== [2018-01-21 03:27:12,430 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-01-21 03:27:12,434 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:12,435 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:12,435 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 03:27:12,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1075593735, now seen corresponding path program 1 times [2018-01-21 03:27:12,435 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:12,436 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:12,437 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:12,437 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:12,437 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:12,456 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:12,580 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:12,580 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 03:27:12,580 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:12,581 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 03:27:12,581 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 03:27:12,581 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 03:27:12,581 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 7 states. [2018-01-21 03:27:12,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:12,707 INFO L93 Difference]: Finished difference Result 191 states and 207 transitions. [2018-01-21 03:27:12,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 03:27:12,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2018-01-21 03:27:12,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:12,710 INFO L225 Difference]: With dead ends: 191 [2018-01-21 03:27:12,710 INFO L226 Difference]: Without dead ends: 96 [2018-01-21 03:27:12,711 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 03:27:12,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-01-21 03:27:12,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2018-01-21 03:27:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 03:27:12,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 101 transitions. [2018-01-21 03:27:12,721 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 101 transitions. Word has length 47 [2018-01-21 03:27:12,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:12,722 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 101 transitions. [2018-01-21 03:27:12,722 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 03:27:12,722 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2018-01-21 03:27:12,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-01-21 03:27:12,723 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:12,723 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] [2018-01-21 03:27:12,724 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 03:27:12,724 INFO L82 PathProgramCache]: Analyzing trace with hash 711025283, now seen corresponding path program 1 times [2018-01-21 03:27:12,724 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:12,725 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:12,725 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:12,726 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:12,726 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:12,737 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:12,812 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:12,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:27:12,812 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:12,812 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:27:12,812 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:27:12,812 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:12,813 INFO L87 Difference]: Start difference. First operand 94 states and 101 transitions. Second operand 5 states. [2018-01-21 03:27:12,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:12,849 INFO L93 Difference]: Finished difference Result 174 states and 187 transitions. [2018-01-21 03:27:12,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:27:12,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2018-01-21 03:27:12,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:12,850 INFO L225 Difference]: With dead ends: 174 [2018-01-21 03:27:12,850 INFO L226 Difference]: Without dead ends: 94 [2018-01-21 03:27:12,851 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:12,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-01-21 03:27:12,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-01-21 03:27:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 03:27:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2018-01-21 03:27:12,858 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 59 [2018-01-21 03:27:12,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:12,859 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2018-01-21 03:27:12,859 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:27:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2018-01-21 03:27:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-01-21 03:27:12,860 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:12,860 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:12,860 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_kobject_cleanupErr0EnsuresViolation]=== [2018-01-21 03:27:12,860 INFO L82 PathProgramCache]: Analyzing trace with hash 434462469, now seen corresponding path program 1 times [2018-01-21 03:27:12,861 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:12,862 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:12,862 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:12,862 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:12,862 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:12,879 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:12,995 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:12,995 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 03:27:12,995 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:12,996 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 03:27:12,996 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 03:27:12,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:27:12,996 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 4 states. [2018-01-21 03:27:13,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:13,038 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2018-01-21 03:27:13,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 03:27:13,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-01-21 03:27:13,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:13,040 INFO L225 Difference]: With dead ends: 94 [2018-01-21 03:27:13,040 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:13,040 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:27:13,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:13,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:13,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:13,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-01-21 03:27:13,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:13,041 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:13,042 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 03:27:13,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:13,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:13,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:27:13,297 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,298 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,298 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,298 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:27:13,298 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:27:13,298 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:27:13,298 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,298 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:27:13,298 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:27:13,298 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:27:13,298 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,299 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,299 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:27:13,299 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,299 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:27:13,299 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,299 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:27:13,299 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:27:13,299 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,299 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,299 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,300 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,300 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,300 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,300 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:27:13,300 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:13,300 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,300 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:27:13,300 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,300 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,300 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,301 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,301 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,301 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,301 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:13,301 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:27:13,301 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:13,301 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:27:13,301 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,301 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:13,301 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:13,301 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:13,302 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:13,302 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,302 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,302 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,302 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,302 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:27:13,302 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,302 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:13,302 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,302 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,302 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:13,302 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:13,303 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:27:13,303 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:13,303 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,303 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:27:13,303 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:13,303 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:13,303 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:27:13,303 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:13,303 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:27:13,303 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:27:13,303 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:27:13,304 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:13,304 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,304 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:27:13,304 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:13,304 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,304 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,304 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,304 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:13,304 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,304 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,305 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,305 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,305 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:13,305 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,305 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:27:13,305 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:13,305 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:13,305 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:13,305 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,305 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,306 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,306 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,306 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,306 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,306 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:13,306 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,306 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,306 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,306 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:27:13,306 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,307 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,307 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:13,307 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,307 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:13,307 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,307 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,307 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:13,307 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,307 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,307 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,308 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:13,308 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,308 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,308 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:27:13,308 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:27:13,308 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:27:13,308 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,308 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:27:13,308 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,308 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,309 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:27:13,311 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:13,311 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:13,311 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:13,311 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:13,311 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:13,312 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:13,312 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:13,312 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 03:27:13,312 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 03:27:13,315 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:13,315 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:13,315 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 03:27:13,316 INFO L82 PathProgramCache]: Analyzing trace with hash 829352649, now seen corresponding path program 1 times [2018-01-21 03:27:13,316 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:13,317 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:13,317 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:13,317 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:13,317 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:13,325 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-21 03:27:13,369 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:13,369 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:27:13,369 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:13,370 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:27:13,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:27:13,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:13,370 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 03:27:13,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:13,491 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 03:27:13,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:27:13,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-01-21 03:27:13,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:13,492 INFO L225 Difference]: With dead ends: 118 [2018-01-21 03:27:13,492 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:13,492 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:13,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:13,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:13,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 03:27:13,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:13,493 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:13,493 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:27:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:13,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:13,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:27:13,564 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,564 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,564 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,564 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:27:13,564 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:27:13,565 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:27:13,565 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,565 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:27:13,565 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:27:13,565 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:27:13,565 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,565 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,565 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:27:13,565 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,565 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:27:13,565 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,565 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:27:13,565 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:27:13,565 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,565 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,566 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,566 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,566 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,566 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,566 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:27:13,566 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:13,566 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,566 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:27:13,566 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,566 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,566 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,566 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,566 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,566 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,566 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:13,567 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,568 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,568 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:13,568 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:13,568 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:27:13,568 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:13,568 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,568 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:27:13,568 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:13,568 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:13,568 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:27:13,568 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:13,568 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:27:13,568 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:27:13,568 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:27:13,569 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:13,569 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,569 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:27:13,569 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:13,569 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,569 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,569 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,569 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:13,569 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,573 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,573 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,573 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,573 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:13,573 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,573 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:27:13,574 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:13,574 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:13,574 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:13,574 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,574 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,574 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,574 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,574 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,574 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,574 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:13,574 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,574 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,574 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,575 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:27:13,575 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,575 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,575 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:13,575 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,575 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:13,575 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,575 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,575 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:13,576 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,576 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,576 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,576 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:13,576 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,576 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,576 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:27:13,576 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:27:13,576 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:27:13,577 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,577 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:27:13,577 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,577 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,577 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:27:13,579 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:13,579 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:13,579 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:13,579 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:13,579 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:13,579 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:13,579 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:13,579 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == LDV_INIT_LIST_HEADErr0EnsuresViolation======== [2018-01-21 03:27:13,579 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:13,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-21 03:27:13,582 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:13,582 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:13,582 INFO L371 AbstractCegarLoop]: === Iteration 1 === [LDV_INIT_LIST_HEADErr0EnsuresViolation]=== [2018-01-21 03:27:13,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1778594984, now seen corresponding path program 1 times [2018-01-21 03:27:13,583 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:13,584 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:13,584 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:13,584 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:13,584 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:13,595 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:13,654 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:13,654 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:27:13,654 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:13,655 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:27:13,655 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:27:13,655 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:13,655 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 5 states. [2018-01-21 03:27:13,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:13,671 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2018-01-21 03:27:13,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:27:13,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-01-21 03:27:13,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:13,672 INFO L225 Difference]: With dead ends: 215 [2018-01-21 03:27:13,672 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:13,672 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:13,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:13,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:13,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-01-21 03:27:13,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:13,674 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:13,674 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:27:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:13,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:13,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:27:13,703 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,703 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,704 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,704 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:27:13,704 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:27:13,704 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:27:13,704 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,704 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:27:13,704 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:27:13,704 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:27:13,704 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,704 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,704 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:27:13,704 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,704 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:27:13,704 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,704 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:27:13,705 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:27:13,705 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,705 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,705 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,705 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,705 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,705 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,705 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:27:13,705 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:13,705 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,705 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:27:13,705 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,705 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,705 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,705 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,706 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:27:13,707 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,707 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:13,707 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,707 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,707 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:13,707 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:13,707 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:27:13,707 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:13,707 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,707 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:27:13,707 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:13,707 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:13,707 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:27:13,707 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:13,707 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:27:13,708 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:13,708 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:27:13,709 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,709 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,709 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,709 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:27:13,709 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,710 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,710 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:13,710 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,710 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:13,710 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,710 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,710 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:13,710 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,710 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,710 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,710 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:13,710 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,710 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,710 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:27:13,710 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:27:13,711 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:27:13,711 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,711 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:27:13,711 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,711 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,711 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:27:13,712 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:13,712 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:13,713 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:13,713 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:13,713 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:13,713 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:13,713 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:13,713 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_putErr0EnsuresViolation======== [2018-01-21 03:27:13,713 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:13,715 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-21 03:27:13,715 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:13,715 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:13,716 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_putErr0EnsuresViolation]=== [2018-01-21 03:27:13,716 INFO L82 PathProgramCache]: Analyzing trace with hash 721404240, now seen corresponding path program 1 times [2018-01-21 03:27:13,716 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:13,717 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:13,717 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:13,717 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:13,717 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:13,723 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:13,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:13,732 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:13,732 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:27:13,732 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:13,733 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:27:13,733 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:27:13,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:13,733 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 03:27:13,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:13,808 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 03:27:13,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:27:13,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-01-21 03:27:13,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:13,808 INFO L225 Difference]: With dead ends: 118 [2018-01-21 03:27:13,809 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:13,809 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:13,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:13,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:13,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-21 03:27:13,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:13,810 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:13,810 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:27:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:13,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:13,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:27:13,850 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,851 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,851 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,851 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:27:13,851 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:27:13,851 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:27:13,851 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,851 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:27:13,851 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:27:13,851 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:27:13,851 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,851 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,851 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:27:13,851 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,851 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:27:13,852 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,852 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:27:13,852 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:27:13,852 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,852 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,852 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,852 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,852 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,852 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,852 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:27:13,852 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:13,852 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,852 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:27:13,852 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,852 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,852 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,853 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:27:13,854 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,854 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:27:13,854 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:27:13,854 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:13,854 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:27:13,855 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:13,855 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,855 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,855 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,856 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:27:13,857 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,857 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,857 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:13,857 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,857 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:13,857 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,857 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,857 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:13,857 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,857 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,857 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,857 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:13,857 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,857 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,858 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:27:13,858 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:27:13,858 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:27:13,858 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,858 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:27:13,858 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,858 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,858 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:27:13,859 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:13,859 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:13,859 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:13,859 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:13,859 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:13,859 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:13,859 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:13,859 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_initErr0EnsuresViolation======== [2018-01-21 03:27:13,859 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 03:27:13,861 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:13,861 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:13,861 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_initErr0EnsuresViolation]=== [2018-01-21 03:27:13,861 INFO L82 PathProgramCache]: Analyzing trace with hash 768535775, now seen corresponding path program 1 times [2018-01-21 03:27:13,861 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:13,862 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:13,862 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:13,862 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:13,862 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:13,867 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:13,901 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:13,901 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:27:13,901 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:13,901 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:27:13,902 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:27:13,902 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:13,902 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 5 states. [2018-01-21 03:27:13,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:13,918 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2018-01-21 03:27:13,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:27:13,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-21 03:27:13,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:13,919 INFO L225 Difference]: With dead ends: 215 [2018-01-21 03:27:13,919 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:13,920 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:13,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:13,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:13,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:13,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 03:27:13,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:13,920 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:13,920 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:27:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:13,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:13,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:27:13,940 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initFINAL(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,940 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initEXIT(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,940 INFO L401 ceAbstractionStarter]: For program point ldv_kref_initErr0EnsuresViolation(lines 1292 1295) no Hoare annotation was computed. [2018-01-21 03:27:13,940 INFO L404 ceAbstractionStarter]: At program point ldv_kref_initENTRY(lines 1292 1295) the Hoare annotation is: true [2018-01-21 03:27:13,940 INFO L401 ceAbstractionStarter]: For program point L1294(line 1294) no Hoare annotation was computed. [2018-01-21 03:27:13,940 INFO L401 ceAbstractionStarter]: For program point L1411'(line 1411) no Hoare annotation was computed. [2018-01-21 03:27:13,940 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createErr0EnsuresViolation(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,940 INFO L397 ceAbstractionStarter]: At program point L1411(line 1411) the Hoare annotation is: false [2018-01-21 03:27:13,941 INFO L401 ceAbstractionStarter]: For program point L1408'(line 1408) no Hoare annotation was computed. [2018-01-21 03:27:13,941 INFO L401 ceAbstractionStarter]: For program point L1413'(line 1413) no Hoare annotation was computed. [2018-01-21 03:27:13,941 INFO L397 ceAbstractionStarter]: At program point L1408(line 1408) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,941 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_createENTRY(lines 1404 1415) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,941 INFO L397 ceAbstractionStarter]: At program point L1413(line 1413) the Hoare annotation is: false [2018-01-21 03:27:13,941 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createFINAL(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,941 INFO L401 ceAbstractionStarter]: For program point L1409(lines 1409 1410) no Hoare annotation was computed. [2018-01-21 03:27:13,941 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_createEXIT(lines 1404 1415) no Hoare annotation was computed. [2018-01-21 03:27:13,941 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 03:27:13,941 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 03:27:13,941 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,941 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,941 INFO L397 ceAbstractionStarter]: At program point L1281(line 1281) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,941 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subErr0EnsuresViolation(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,942 INFO L397 ceAbstractionStarter]: At program point L1282(line 1282) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,942 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subFINAL(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,942 INFO L401 ceAbstractionStarter]: For program point L1281''(lines 1281 1284) no Hoare annotation was computed. [2018-01-21 03:27:13,942 INFO L401 ceAbstractionStarter]: For program point L1282'(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:13,942 INFO L397 ceAbstractionStarter]: At program point ldv_kref_subENTRY(lines 1276 1286) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,942 INFO L401 ceAbstractionStarter]: For program point L1281'(line 1281) no Hoare annotation was computed. [2018-01-21 03:27:13,942 INFO L401 ceAbstractionStarter]: For program point ldv_kref_subEXIT(lines 1276 1286) no Hoare annotation was computed. [2018-01-21 03:27:13,942 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseEXIT(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,942 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_releaseENTRY(lines 1348 1351) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,942 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseErr0EnsuresViolation(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,942 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_releaseFINAL(lines 1348 1351) no Hoare annotation was computed. [2018-01-21 03:27:13,942 INFO L397 ceAbstractionStarter]: At program point L1350(line 1350) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,942 INFO L401 ceAbstractionStarter]: For program point L1340'(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:13,942 INFO L401 ceAbstractionStarter]: For program point L1344(line 1344) no Hoare annotation was computed. [2018-01-21 03:27:13,942 INFO L401 ceAbstractionStarter]: For program point L1339'(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point L1343(lines 1343 1345) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_cleanupENTRY(lines 1336 1346) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point L1340(line 1340) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupEXIT(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point L1339(line 1339) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_cleanupErr0EnsuresViolation(lines 1336 1346) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 1443 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1443 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L404 ceAbstractionStarter]: At program point LDV_INIT_LIST_HEADENTRY(lines 1097 1101) the Hoare annotation is: true [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADFINAL(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point L1099'(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADErr0EnsuresViolation(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point LDV_INIT_LIST_HEADEXIT(lines 1097 1101) no Hoare annotation was computed. [2018-01-21 03:27:13,943 INFO L401 ceAbstractionStarter]: For program point L1099(line 1099) no Hoare annotation was computed. [2018-01-21 03:27:13,944 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putErr0EnsuresViolation(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:13,944 INFO L401 ceAbstractionStarter]: For program point L1363'(line 1363) no Hoare annotation was computed. [2018-01-21 03:27:13,944 INFO L401 ceAbstractionStarter]: For program point L1361''(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:13,944 INFO L397 ceAbstractionStarter]: At program point ldv_kobject_putENTRY(lines 1359 1365) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,944 INFO L397 ceAbstractionStarter]: At program point L1363(line 1363) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (or (not (= 0 |ldv_kobject_put_#in~kobj.offset|)) (not (= 0 |ldv_kobject_put_#in~kobj.base|)))) [2018-01-21 03:27:13,944 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_putEXIT(lines 1359 1365) no Hoare annotation was computed. [2018-01-21 03:27:13,944 INFO L401 ceAbstractionStarter]: For program point L1361(lines 1361 1364) no Hoare annotation was computed. [2018-01-21 03:27:13,944 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_initENTRY(lines 1390 1403) the Hoare annotation is: true [2018-01-21 03:27:13,944 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initErr0EnsuresViolation(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:13,944 INFO L404 ceAbstractionStarter]: At program point L1398(line 1398) the Hoare annotation is: true [2018-01-21 03:27:13,944 INFO L404 ceAbstractionStarter]: At program point L1396(line 1396) the Hoare annotation is: true [2018-01-21 03:27:13,944 INFO L401 ceAbstractionStarter]: For program point L1394(lines 1394 1397) no Hoare annotation was computed. [2018-01-21 03:27:13,944 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_initEXIT(lines 1390 1403) no Hoare annotation was computed. [2018-01-21 03:27:13,944 INFO L397 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,944 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1445) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point L1265'(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnEXIT(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L404 ceAbstractionStarter]: At program point ldv_atomic_sub_returnENTRY(lines 1262 1269) the Hoare annotation is: true [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point L1267'(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point L1267(line 1267) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point L1265(line 1265) no Hoare annotation was computed. [2018-01-21 03:27:13,945 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnFINAL(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,946 INFO L401 ceAbstractionStarter]: For program point ldv_atomic_sub_returnErr0EnsuresViolation(lines 1262 1269) no Hoare annotation was computed. [2018-01-21 03:27:13,946 INFO L397 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,946 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,946 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2018-01-21 03:27:13,946 INFO L397 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,946 INFO L401 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation(line 1282) no Hoare annotation was computed. [2018-01-21 03:27:13,946 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putEXIT(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,946 INFO L397 ceAbstractionStarter]: At program point L1313(line 1313) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,946 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putErr0EnsuresViolation(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,946 INFO L401 ceAbstractionStarter]: For program point L1313'(line 1313) no Hoare annotation was computed. [2018-01-21 03:27:13,946 INFO L397 ceAbstractionStarter]: At program point ldv_kref_putENTRY(lines 1311 1314) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,946 INFO L401 ceAbstractionStarter]: For program point ldv_kref_putFINAL(lines 1311 1314) no Hoare annotation was computed. [2018-01-21 03:27:13,946 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:13,947 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,947 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 1445) the Hoare annotation is: true [2018-01-21 03:27:13,947 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,947 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1445) no Hoare annotation was computed. [2018-01-21 03:27:13,947 INFO L397 ceAbstractionStarter]: At program point L1438(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:13,947 INFO L397 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1435 1441) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,947 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,947 INFO L397 ceAbstractionStarter]: At program point L1437(line 1437) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 03:27:13,947 INFO L397 ceAbstractionStarter]: At program point L1438'(line 1438) the Hoare annotation is: (and (= 0 entry_point_~kobj~25.base) (= |#valid| |old(#valid)|) (= 0 entry_point_~kobj~25.offset)) [2018-01-21 03:27:13,947 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,947 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1435 1441) no Hoare annotation was computed. [2018-01-21 03:27:13,947 INFO L401 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-21 03:27:13,947 INFO L401 ceAbstractionStarter]: For program point L1380(lines 1380 1381) no Hoare annotation was computed. [2018-01-21 03:27:13,947 INFO L404 ceAbstractionStarter]: At program point L1382'(line 1382) the Hoare annotation is: true [2018-01-21 03:27:13,947 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalErr0EnsuresViolation(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,948 INFO L404 ceAbstractionStarter]: At program point ldv_kobject_init_internalENTRY(lines 1378 1388) the Hoare annotation is: true [2018-01-21 03:27:13,948 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalFINAL(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,948 INFO L401 ceAbstractionStarter]: For program point ldv_kobject_init_internalEXIT(lines 1378 1388) no Hoare annotation was computed. [2018-01-21 03:27:13,948 INFO L404 ceAbstractionStarter]: At program point L1382(line 1382) the Hoare annotation is: true [2018-01-21 03:27:13,949 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:13,949 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:13,949 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:13,949 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:13,949 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:13,949 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:13,949 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:13,949 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-21 03:27:13,949 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:13,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 03:27:13,950 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:13,951 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:13,951 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 03:27:13,951 INFO L82 PathProgramCache]: Analyzing trace with hash 2016473160, now seen corresponding path program 1 times [2018-01-21 03:27:13,951 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:13,952 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:13,952 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:13,952 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:13,952 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:13,956 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:13,968 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:13,968 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:27:13,968 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:13,968 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:27:13,968 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:27:13,968 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:13,969 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 03:27:14,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:14,052 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 03:27:14,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:27:14,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-01-21 03:27:14,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:14,053 INFO L225 Difference]: With dead ends: 118 [2018-01-21 03:27:14,053 INFO L226 Difference]: Without dead ends: 16 [2018-01-21 03:27:14,054 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:14,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-01-21 03:27:14,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-01-21 03:27:14,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-01-21 03:27:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-01-21 03:27:14,062 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2018-01-21 03:27:14,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:14,063 INFO L432 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-01-21 03:27:14,063 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:27:14,063 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-01-21 03:27:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-21 03:27:14,063 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:14,063 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:14,063 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 03:27:14,064 INFO L82 PathProgramCache]: Analyzing trace with hash 800366666, now seen corresponding path program 1 times [2018-01-21 03:27:14,064 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:14,065 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:14,065 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:14,065 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:14,066 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:27:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:27:14,109 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 03:27:14,118 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:27:14,124 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:27:14,136 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:14,136 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:14,136 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:14,142 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:14,142 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:14,142 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:14,142 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:14,142 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 03:27:14,143 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:14,144 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 03:27:14,144 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:14,144 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 03:27:14,145 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 03:27:14,145 INFO L82 PathProgramCache]: Analyzing trace with hash 188258, now seen corresponding path program 1 times [2018-01-21 03:27:14,145 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:14,146 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:14,147 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:14,147 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:14,147 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:27:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:27:14,152 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 03:27:14,153 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:27:14,157 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:14,158 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:14,158 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:14,158 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:14,158 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:14,158 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:14,158 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:14,158 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_atomic_sub_returnErr0EnsuresViolation======== [2018-01-21 03:27:14,158 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:14,160 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:14,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-01-21 03:27:14,162 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:14,162 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:14,162 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_atomic_sub_returnErr0EnsuresViolation]=== [2018-01-21 03:27:14,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1668516, now seen corresponding path program 1 times [2018-01-21 03:27:14,162 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:14,163 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:14,163 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:14,163 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:14,164 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:14,176 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:14,191 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:14,191 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-21 03:27:14,191 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:14,192 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 03:27:14,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 03:27:14,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:27:14,192 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2018-01-21 03:27:14,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:14,200 INFO L93 Difference]: Finished difference Result 116 states and 124 transitions. [2018-01-21 03:27:14,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 03:27:14,200 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 33 [2018-01-21 03:27:14,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:14,200 INFO L225 Difference]: With dead ends: 116 [2018-01-21 03:27:14,200 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:14,201 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:27:14,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:14,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:14,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-01-21 03:27:14,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:14,202 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:14,202 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 03:27:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:14,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:14,204 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:14,204 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:14,204 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:14,204 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:14,204 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:14,204 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:14,204 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:14,204 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation======== [2018-01-21 03:27:14,204 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:14,206 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-01-21 03:27:14,207 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:14,207 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:14,207 INFO L371 AbstractCegarLoop]: === Iteration 1 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 03:27:14,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1959329120, now seen corresponding path program 1 times [2018-01-21 03:27:14,208 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:14,209 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:14,210 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:14,211 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:14,211 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:14,224 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:14,353 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:14,353 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 03:27:14,353 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:14,354 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 03:27:14,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 03:27:14,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 03:27:14,354 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 7 states. [2018-01-21 03:27:14,532 WARN L143 SmtUtils]: Spent 116ms on a formula simplification that was a NOOP. DAG size: 10 [2018-01-21 03:27:14,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:14,816 INFO L93 Difference]: Finished difference Result 191 states and 207 transitions. [2018-01-21 03:27:14,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-21 03:27:14,817 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-01-21 03:27:14,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:14,818 INFO L225 Difference]: With dead ends: 191 [2018-01-21 03:27:14,818 INFO L226 Difference]: Without dead ends: 96 [2018-01-21 03:27:14,819 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-21 03:27:14,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-01-21 03:27:14,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2018-01-21 03:27:14,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 03:27:14,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 101 transitions. [2018-01-21 03:27:14,828 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 101 transitions. Word has length 51 [2018-01-21 03:27:14,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:14,828 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 101 transitions. [2018-01-21 03:27:14,828 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 03:27:14,828 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2018-01-21 03:27:14,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-01-21 03:27:14,831 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:14,831 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:14,831 INFO L371 AbstractCegarLoop]: === Iteration 2 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 03:27:14,831 INFO L82 PathProgramCache]: Analyzing trace with hash 2119270364, now seen corresponding path program 1 times [2018-01-21 03:27:14,831 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:14,832 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:14,832 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:14,832 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:14,833 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:14,848 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:14,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:14,989 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:14,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:27:14,989 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:14,989 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:27:14,989 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:27:14,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:14,990 INFO L87 Difference]: Start difference. First operand 94 states and 101 transitions. Second operand 5 states. [2018-01-21 03:27:15,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:15,027 INFO L93 Difference]: Finished difference Result 174 states and 187 transitions. [2018-01-21 03:27:15,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:27:15,027 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-01-21 03:27:15,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:15,029 INFO L225 Difference]: With dead ends: 174 [2018-01-21 03:27:15,029 INFO L226 Difference]: Without dead ends: 94 [2018-01-21 03:27:15,029 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:15,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-01-21 03:27:15,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-01-21 03:27:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 03:27:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2018-01-21 03:27:15,039 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 63 [2018-01-21 03:27:15,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:15,039 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2018-01-21 03:27:15,039 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:27:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2018-01-21 03:27:15,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-01-21 03:27:15,041 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:15,041 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:15,041 INFO L371 AbstractCegarLoop]: === Iteration 3 === [##fun~$Pointer$~TO~VOIDErr0EnsuresViolation]=== [2018-01-21 03:27:15,041 INFO L82 PathProgramCache]: Analyzing trace with hash -627086498, now seen corresponding path program 1 times [2018-01-21 03:27:15,041 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:15,042 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:15,042 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:15,042 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:15,042 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:15,050 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:15,099 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:15,099 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-21 03:27:15,099 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:15,099 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 03:27:15,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 03:27:15,099 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:27:15,100 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 4 states. [2018-01-21 03:27:15,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:15,134 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2018-01-21 03:27:15,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 03:27:15,135 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-01-21 03:27:15,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:15,135 INFO L225 Difference]: With dead ends: 94 [2018-01-21 03:27:15,135 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:15,136 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-21 03:27:15,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:15,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:15,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:15,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-01-21 03:27:15,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:15,137 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:15,137 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 03:27:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:15,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:15,139 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:15,139 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:15,139 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:15,139 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:15,139 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:15,139 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:15,140 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:15,140 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kref_putErr0EnsuresViolation======== [2018-01-21 03:27:15,140 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:15,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-01-21 03:27:15,142 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:15,143 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:15,143 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_putErr0EnsuresViolation]=== [2018-01-21 03:27:15,143 INFO L82 PathProgramCache]: Analyzing trace with hash 456403987, now seen corresponding path program 1 times [2018-01-21 03:27:15,143 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:15,144 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:15,144 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:15,144 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:15,144 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:15,156 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:15,208 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:15,208 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:27:15,208 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:15,208 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:27:15,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:27:15,209 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:15,209 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 03:27:15,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:15,311 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 03:27:15,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:27:15,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-01-21 03:27:15,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:15,312 INFO L225 Difference]: With dead ends: 118 [2018-01-21 03:27:15,312 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:15,313 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:15,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:15,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:15,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:15,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:15,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2018-01-21 03:27:15,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:15,314 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:15,314 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:27:15,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:15,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:15,315 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:15,315 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:15,315 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:15,315 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:15,316 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:15,316 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:15,316 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:15,316 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 03:27:15,316 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:15,317 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-21 03:27:15,317 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:15,317 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:15,318 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:27:15,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1856017116, now seen corresponding path program 1 times [2018-01-21 03:27:15,318 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:15,319 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:15,319 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:15,319 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:15,319 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:27:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:27:15,343 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 03:27:15,351 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:27:15,352 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:27:15,353 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:27:15,353 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:27:15,354 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:27:15,355 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:27:15,355 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:27:15,355 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:27:15,361 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:15,361 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:15,361 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:15,361 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:15,361 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:15,361 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:15,361 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:15,362 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-21 03:27:15,362 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:15,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 03:27:15,364 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:15,364 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:15,364 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-21 03:27:15,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1082426051, now seen corresponding path program 1 times [2018-01-21 03:27:15,364 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:15,365 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:15,366 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:15,366 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:15,366 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:15,373 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-21 03:27:15,453 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:15,453 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:27:15,454 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:15,454 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:27:15,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:27:15,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:15,454 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-01-21 03:27:15,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:15,851 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2018-01-21 03:27:15,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:27:15,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-01-21 03:27:15,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:15,852 INFO L225 Difference]: With dead ends: 118 [2018-01-21 03:27:15,852 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:15,853 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:27:15,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:15,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:15,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:15,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:15,854 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 03:27:15,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:15,854 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:15,854 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:27:15,854 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:15,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:15,855 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:27:15,855 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:27:15,855 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:27:15,855 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:27:15,855 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:27:15,855 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:27:15,855 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:27:15,856 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_kobject_init_internalErr0EnsuresViolation======== [2018-01-21 03:27:15,856 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:27:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2018-01-21 03:27:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 03:27:15,858 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:27:15,858 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:27:15,858 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_kobject_init_internalErr0EnsuresViolation]=== [2018-01-21 03:27:15,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1016382922, now seen corresponding path program 1 times [2018-01-21 03:27:15,858 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:27:15,859 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:15,859 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:27:15,859 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:27:15,859 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:27:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:27:15,864 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:27:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:27:15,985 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:27:15,985 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 03:27:15,985 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:27:15,985 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 03:27:15,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 03:27:15,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:15,986 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 5 states. [2018-01-21 03:27:16,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:27:16,047 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2018-01-21 03:27:16,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 03:27:16,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-01-21 03:27:16,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:27:16,050 INFO L225 Difference]: With dead ends: 215 [2018-01-21 03:27:16,050 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:27:16,051 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-21 03:27:16,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:27:16,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:27:16,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:27:16,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:27:16,052 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 03:27:16,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:27:16,052 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:27:16,052 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 03:27:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:27:16,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:27:16,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 03:27:16 BoogieIcfgContainer [2018-01-21 03:27:16,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 03:27:16,061 INFO L168 Benchmark]: Toolchain (without parser) took 6929.34 ms. Allocated memory was 307.2 MB in the beginning and 489.7 MB in the end (delta: 182.5 MB). Free memory was 262.4 MB in the beginning and 434.5 MB in the end (delta: -172.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 5.3 GB. [2018-01-21 03:27:16,063 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 307.2 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 03:27:16,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.10 ms. Allocated memory is still 307.2 MB. Free memory was 262.4 MB in the beginning and 248.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 5.3 GB. [2018-01-21 03:27:16,064 INFO L168 Benchmark]: Boogie Preprocessor took 42.48 ms. Allocated memory is still 307.2 MB. Free memory was 248.1 MB in the beginning and 246.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 03:27:16,064 INFO L168 Benchmark]: RCFGBuilder took 534.67 ms. Allocated memory is still 307.2 MB. Free memory was 246.1 MB in the beginning and 216.0 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 5.3 GB. [2018-01-21 03:27:16,065 INFO L168 Benchmark]: TraceAbstraction took 6052.61 ms. Allocated memory was 307.2 MB in the beginning and 489.7 MB in the end (delta: 182.5 MB). Free memory was 216.0 MB in the beginning and 434.5 MB in the end (delta: -218.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 03:27:16,067 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 307.2 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 290.10 ms. Allocated memory is still 307.2 MB. Free memory was 262.4 MB in the beginning and 248.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.48 ms. Allocated memory is still 307.2 MB. Free memory was 248.1 MB in the beginning and 246.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 534.67 ms. Allocated memory is still 307.2 MB. Free memory was 246.1 MB in the beginning and 216.0 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6052.61 ms. Allocated memory was 307.2 MB in the beginning and 489.7 MB in the end (delta: 182.5 MB). Free memory was 216.0 MB in the beginning and 434.5 MB in the end (delta: -218.5 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1292]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_initErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 117 SDtfs, 4 SDslu, 346 SDs, 0 SdLazy, 11 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 63 PreInvPairs, 67 NumberOfFragments, 36 HoareAnnotationTreeSize, 63 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 1705 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1404]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_createErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 55 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 38 PreInvPairs, 38 NumberOfFragments, 82 HoareAnnotationTreeSize, 38 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1276]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_subErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 58 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 38 PreInvPairs, 38 NumberOfFragments, 82 HoareAnnotationTreeSize, 38 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1348]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_releaseErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 228 SDtfs, 14 SDslu, 875 SDs, 0 SdLazy, 52 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 80 PreInvPairs, 82 NumberOfFragments, 70 HoareAnnotationTreeSize, 80 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 13660 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1336]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_cleanupErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 228 SDtfs, 14 SDslu, 875 SDs, 0 SdLazy, 52 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 80 PreInvPairs, 82 NumberOfFragments, 70 HoareAnnotationTreeSize, 80 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 12848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1443]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 48 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 38 PreInvPairs, 38 NumberOfFragments, 82 HoareAnnotationTreeSize, 38 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 2635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1097]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: LDV_INIT_LIST_HEADErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 117 SDtfs, 4 SDslu, 346 SDs, 0 SdLazy, 11 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 63 PreInvPairs, 67 NumberOfFragments, 36 HoareAnnotationTreeSize, 63 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 2257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1359]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_putErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 59 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 38 PreInvPairs, 38 NumberOfFragments, 82 HoareAnnotationTreeSize, 38 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1390]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_initErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 117 SDtfs, 4 SDslu, 346 SDs, 0 SdLazy, 11 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 63 PreInvPairs, 67 NumberOfFragments, 36 HoareAnnotationTreeSize, 63 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1072]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1444] CALL entry_point() [L1436] struct ldv_kobject *kobj; [L1437] CALL ldv_kobject_create() [L1406] struct ldv_kobject *kobj; [L1408] CALL ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) VAL [\old(size)=16, malloc(size)={18:0}, size=16] [L1074] return malloc(size); VAL [\old(size)=16, \result={18:0}, malloc(size)={18:0}, size=16] - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_mallocErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 59 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1262]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_atomic_sub_returnErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 119 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 1024 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1282]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ##fun~$Pointer$~TO~VOIDErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 228 SDtfs, 14 SDslu, 875 SDs, 0 SdLazy, 52 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 14496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1311]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kref_putErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 55 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 2301 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1444] CALL entry_point() [L1436] struct ldv_kobject *kobj; [L1437] CALL, EXPR ldv_kobject_create() [L1406] struct ldv_kobject *kobj; [L1408] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] RET return 0; VAL [\old(size)=16, \result={0:0}, size=16] [L1408] EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_malloc(sizeof(*kobj))={0:0}] [L1408] kobj = ldv_malloc(sizeof(*kobj)) [L1409] COND TRUE !kobj [L1410] RET return 0; VAL [\result={0:0}, kobj={0:0}] [L1437] EXPR ldv_kobject_create() VAL [ldv_kobject_create()={0:0}] [L1437] kobj = ldv_kobject_create() [L1438] CALL ldv_kobject_put(kobj) VAL [kobj={0:0}] [L1361] COND FALSE, RET !(\read(*kobj)) VAL [kobj={0:0}, kobj={0:0}] [L1438] ldv_kobject_put(kobj) VAL [kobj={0:0}] [L1440] CALL ldv_kobject_put(kobj) VAL [kobj={0:0}] [L1361] COND FALSE !(\read(*kobj)) VAL [kobj={0:0}, kobj={0:0}] [L1440] FCALL ldv_kobject_put(kobj) - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1435]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: entry_pointErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 83 SDtfs, 49 SDslu, 3 SDs, 0 SdLazy, 38 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1378]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_kobject_init_internalErr0EnsuresViolation CFG has 18 procedures, 116 locations, 17 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 117 SDtfs, 4 SDslu, 346 SDs, 0 SdLazy, 11 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1396]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-15-2018-01-21_03-27-16-085.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test22_3_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-16-2018-01-21_03-27-16-085.csv Received shutdown request...