java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf -i ../../../trunk/examples/svcomp/memsafety/test-0134_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 00:35:15,330 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 00:35:15,331 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 00:35:15,346 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 00:35:15,347 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 00:35:15,348 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 00:35:15,349 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 00:35:15,350 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 00:35:15,353 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 00:35:15,353 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 00:35:15,354 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 00:35:15,355 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 00:35:15,355 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 00:35:15,357 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 00:35:15,358 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 00:35:15,360 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 00:35:15,362 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 00:35:15,364 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 00:35:15,366 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 00:35:15,367 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 00:35:15,369 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-21 00:35:15,370 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-21 00:35:15,370 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-21 00:35:15,371 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-21 00:35:15,371 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-21 00:35:15,373 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-21 00:35:15,373 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-21 00:35:15,373 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-21 00:35:15,374 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-21 00:35:15,374 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 00:35:15,375 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 00:35:15,375 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf [2018-01-21 00:35:15,383 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 00:35:15,383 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 00:35:15,384 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 00:35:15,384 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 00:35:15,384 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 00:35:15,384 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-21 00:35:15,385 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 00:35:15,385 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 00:35:15,385 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 00:35:15,385 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 00:35:15,385 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 00:35:15,385 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 00:35:15,386 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 00:35:15,386 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 00:35:15,386 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 00:35:15,386 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 00:35:15,386 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 00:35:15,386 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 00:35:15,386 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 00:35:15,386 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 00:35:15,387 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 00:35:15,387 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 00:35:15,387 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 00:35:15,387 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 00:35:15,387 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 00:35:15,388 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 00:35:15,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 00:35:15,388 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 00:35:15,388 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 00:35:15,388 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 00:35:15,388 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 00:35:15,388 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 00:35:15,389 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 00:35:15,389 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 00:35:15,389 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 00:35:15,389 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 00:35:15,389 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 00:35:15,390 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 00:35:15,390 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 00:35:15,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 00:35:15,432 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 00:35:15,435 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 00:35:15,436 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 00:35:15,437 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 00:35:15,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0134_true-valid-memsafety.i [2018-01-21 00:35:15,599 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 00:35:15,603 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 00:35:15,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 00:35:15,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 00:35:15,609 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 00:35:15,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 12:35:15" (1/1) ... [2018-01-21 00:35:15,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb5cd73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:35:15, skipping insertion in model container [2018-01-21 00:35:15,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 12:35:15" (1/1) ... [2018-01-21 00:35:15,627 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 00:35:15,666 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 00:35:15,795 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 00:35:15,821 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 00:35:15,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:35:15 WrapperNode [2018-01-21 00:35:15,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 00:35:15,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 00:35:15,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 00:35:15,835 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 00:35:15,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:35:15" (1/1) ... [2018-01-21 00:35:15,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:35:15" (1/1) ... [2018-01-21 00:35:15,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:35:15" (1/1) ... [2018-01-21 00:35:15,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:35:15" (1/1) ... [2018-01-21 00:35:15,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:35:15" (1/1) ... [2018-01-21 00:35:15,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:35:15" (1/1) ... [2018-01-21 00:35:15,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:35:15" (1/1) ... [2018-01-21 00:35:15,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 00:35:15,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 00:35:15,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 00:35:15,881 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 00:35:15,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:35:15" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 00:35:15,931 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 00:35:15,931 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 00:35:15,931 INFO L136 BoogieDeclarations]: Found implementation of procedure list_empty [2018-01-21 00:35:15,931 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-01-21 00:35:15,931 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-01-21 00:35:15,931 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-01-21 00:35:15,931 INFO L136 BoogieDeclarations]: Found implementation of procedure list_del [2018-01-21 00:35:15,931 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-01-21 00:35:15,931 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-01-21 00:35:15,932 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-01-21 00:35:15,932 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-01-21 00:35:15,932 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-01-21 00:35:15,932 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_seek_max [2018-01-21 00:35:15,932 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-01-21 00:35:15,932 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 00:35:15,933 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 00:35:15,933 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 00:35:15,933 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 00:35:15,933 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 00:35:15,933 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 00:35:15,933 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 00:35:15,934 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 00:35:15,934 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 00:35:15,934 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 00:35:15,934 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 00:35:15,934 INFO L128 BoogieDeclarations]: Found specification of procedure list_empty [2018-01-21 00:35:15,934 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-01-21 00:35:15,934 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-01-21 00:35:15,935 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-01-21 00:35:15,935 INFO L128 BoogieDeclarations]: Found specification of procedure list_del [2018-01-21 00:35:15,935 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-01-21 00:35:15,935 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-01-21 00:35:15,935 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-01-21 00:35:15,935 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-01-21 00:35:15,935 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-01-21 00:35:15,936 INFO L128 BoogieDeclarations]: Found specification of procedure gl_seek_max [2018-01-21 00:35:15,936 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-01-21 00:35:15,936 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 00:35:15,936 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 00:35:15,936 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 00:35:16,364 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 00:35:16,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 12:35:16 BoogieIcfgContainer [2018-01-21 00:35:16,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 00:35:16,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 00:35:16,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 00:35:16,369 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 00:35:16,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 12:35:15" (1/3) ... [2018-01-21 00:35:16,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b62b6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 12:35:16, skipping insertion in model container [2018-01-21 00:35:16,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:35:15" (2/3) ... [2018-01-21 00:35:16,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b62b6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 12:35:16, skipping insertion in model container [2018-01-21 00:35:16,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 12:35:16" (3/3) ... [2018-01-21 00:35:16,373 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0134_true-valid-memsafety.i [2018-01-21 00:35:16,382 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 00:35:16,390 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-21 00:35:16,440 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:16,441 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:16,441 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:16,441 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:16,441 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:16,441 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:16,441 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:16,441 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_addErr0EnsuresViolation======== [2018-01-21 00:35:16,442 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:16,458 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:16,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 00:35:16,463 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:16,464 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:35:16,464 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_addErr0EnsuresViolation]=== [2018-01-21 00:35:16,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1167701253, now seen corresponding path program 1 times [2018-01-21 00:35:16,469 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:16,508 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:16,508 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:16,508 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:16,509 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:16,573 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:35:16,793 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:16,793 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:35:16,793 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:16,798 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:16,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:16,808 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:16,811 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:16,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:16,866 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:16,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:16,867 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-21 00:35:16,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:16,872 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:16,873 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:16,877 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:16,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:16,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:16,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 00:35:16,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:16,898 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:16,898 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:16,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:16,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:16,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:35:16,968 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:16,969 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:16,969 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:35:16,969 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:35:16,969 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:35:16,969 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:35:16,969 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:35:16,970 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:16,970 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:16,970 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:35:16,970 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:16,970 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:16,970 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:35:16,970 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:35:16,971 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 00:35:16,971 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 00:35:16,971 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 00:35:16,971 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:16,971 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:16,971 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:35:16,971 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:16,971 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:16,972 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:16,972 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:16,972 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 00:35:16,972 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:16,972 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 00:35:16,972 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 00:35:16,972 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 00:35:16,973 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 00:35:16,973 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 00:35:16,973 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:16,973 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 00:35:16,973 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:35:16,973 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:35:16,973 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:16,973 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:16,974 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:35:16,974 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:16,974 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 00:35:16,974 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 00:35:16,974 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 00:35:16,974 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 00:35:16,974 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:16,975 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:16,975 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:16,975 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:35:16,975 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:35:16,975 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:16,975 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:16,975 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:35:16,976 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:16,976 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:16,976 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:35:16,976 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:16,976 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:16,976 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:35:16,976 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:16,976 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:16,977 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:35:16,977 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:35:16,977 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:16,977 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:35:16,977 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:35:16,977 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:16,977 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:35:16,977 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:35:16,978 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:35:16,978 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:16,978 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:16,978 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:35:16,978 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:16,978 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:16,978 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:35:16,978 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:35:16,978 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:16,979 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:35:16,979 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:35:16,979 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:16,979 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 00:35:16,979 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 00:35:16,979 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:16,979 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:16,979 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:16,980 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 00:35:16,980 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 00:35:16,980 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 00:35:16,980 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 00:35:16,980 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 00:35:16,980 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:16,980 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:35:16,980 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:35:16,981 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:35:16,981 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:35:16,981 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:16,981 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:35:16,981 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:16,981 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:35:16,981 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:35:16,981 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:35:16,982 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:35:16,982 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:16,982 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:35:16,982 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:16,982 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:16,982 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 00:35:16,982 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:16,982 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 00:35:16,983 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:16,983 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:16,983 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:35:16,983 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:16,983 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:35:16,983 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:35:16,983 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:16,983 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:16,983 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:35:16,984 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:16,984 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:16,984 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 00:35:16,984 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 00:35:16,984 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:35:16,984 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:16,984 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 00:35:16,984 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:16,985 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:16,985 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:16,985 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:16,985 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 00:35:16,985 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 00:35:16,985 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 00:35:16,985 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 00:35:16,985 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 00:35:16,985 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 00:35:16,986 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:16,986 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 00:35:16,986 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:35:16,986 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 00:35:16,986 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:16,991 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:16,991 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:16,991 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:16,991 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:16,991 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:16,991 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:16,991 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:16,992 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == val_from_nodeErr0EnsuresViolation======== [2018-01-21 00:35:16,992 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:16,995 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-21 00:35:16,998 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:16,998 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:35:16,998 INFO L371 AbstractCegarLoop]: === Iteration 1 === [val_from_nodeErr0EnsuresViolation]=== [2018-01-21 00:35:16,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1482429810, now seen corresponding path program 1 times [2018-01-21 00:35:16,999 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:17,000 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,000 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:17,000 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,000 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:17,019 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-21 00:35:17,125 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:17,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:17,125 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:17,126 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:17,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:17,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:17,126 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:17,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:17,154 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:17,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:17,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2018-01-21 00:35:17,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:17,155 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:17,155 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:17,156 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:17,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:17,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:17,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:17,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:17,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2018-01-21 00:35:17,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:17,157 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:17,158 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:17,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:17,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:17,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:35:17,194 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,194 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,194 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:35:17,195 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:35:17,195 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:35:17,195 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:35:17,195 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:35:17,195 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,195 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,195 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:35:17,195 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,195 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,196 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:35:17,196 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:35:17,196 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,196 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 00:35:17,196 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 00:35:17,196 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,196 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:17,196 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:35:17,196 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:17,197 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,197 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,197 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,197 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 00:35:17,197 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,197 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 00:35:17,197 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 00:35:17,197 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 00:35:17,198 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 00:35:17,198 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,198 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,198 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 00:35:17,198 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:35:17,198 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:35:17,198 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,198 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,198 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:35:17,198 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,199 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 00:35:17,199 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 00:35:17,199 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 00:35:17,199 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 00:35:17,199 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,199 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,199 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,199 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:35:17,200 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:35:17,200 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,200 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,200 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:35:17,200 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,200 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:17,200 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:35:17,200 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:17,200 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,201 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:35:17,201 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,201 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,201 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:35:17,201 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:35:17,201 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:17,201 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,201 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,201 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:17,202 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:35:17,202 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,202 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:35:17,202 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,202 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,202 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:35:17,202 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,202 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,203 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,203 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,203 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,203 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,203 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:35:17,203 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,203 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 00:35:17,203 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,203 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,204 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,204 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,204 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 00:35:17,204 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 00:35:17,204 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 00:35:17,204 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,204 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,204 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,204 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,204 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:35:17,205 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:35:17,205 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,205 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,205 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:35:17,205 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,205 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,205 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:35:17,205 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:35:17,205 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:35:17,206 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,206 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:35:17,206 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,206 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,206 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 00:35:17,206 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,206 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 00:35:17,206 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,206 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,207 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:35:17,207 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,207 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:35:17,207 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:35:17,207 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:17,207 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:17,207 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:35:17,207 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,208 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,208 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,208 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,208 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:35:17,208 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:17,208 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 00:35:17,208 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,208 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:17,208 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:17,209 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,209 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 00:35:17,209 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 00:35:17,209 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 00:35:17,209 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 00:35:17,209 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 00:35:17,209 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,209 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:17,209 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 00:35:17,210 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:35:17,210 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 00:35:17,210 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,212 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:17,213 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:17,213 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:17,213 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:17,213 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:17,213 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:17,213 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:17,213 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_sortErr0EnsuresViolation======== [2018-01-21 00:35:17,213 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:17,216 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:17,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-21 00:35:17,217 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:17,217 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:35:17,217 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_sortErr0EnsuresViolation]=== [2018-01-21 00:35:17,217 INFO L82 PathProgramCache]: Analyzing trace with hash 595467956, now seen corresponding path program 1 times [2018-01-21 00:35:17,218 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:17,218 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,219 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:17,219 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,219 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:17,233 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:35:17,295 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:17,295 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:17,295 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:17,296 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:17,296 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:17,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:17,296 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:17,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:17,343 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:17,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:17,343 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-21 00:35:17,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:17,344 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:17,344 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:17,345 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:17,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:17,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:17,346 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-21 00:35:17,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:17,346 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:17,346 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:17,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:17,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:35:17,385 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,385 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,385 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:35:17,385 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:35:17,386 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:35:17,386 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:35:17,386 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:35:17,386 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,386 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,386 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:35:17,386 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,386 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,386 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:35:17,387 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:35:17,387 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,387 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 00:35:17,387 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 00:35:17,387 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,387 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:17,387 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:35:17,387 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:17,387 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,387 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,388 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,388 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 00:35:17,388 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,388 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 00:35:17,388 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 00:35:17,388 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 00:35:17,388 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 00:35:17,388 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,388 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,389 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 00:35:17,389 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:35:17,389 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:35:17,389 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,389 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,389 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:35:17,389 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,389 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 00:35:17,389 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 00:35:17,390 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 00:35:17,390 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 00:35:17,390 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,390 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,390 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,390 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:35:17,390 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:35:17,390 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,390 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,390 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:35:17,391 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,391 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:17,391 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:35:17,391 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:17,391 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,391 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:35:17,391 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,391 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,392 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:35:17,392 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:35:17,392 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:17,392 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,392 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,392 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:17,392 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:35:17,392 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,392 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:35:17,393 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,393 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,393 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:35:17,393 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,393 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,393 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,393 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,393 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,393 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,393 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:35:17,394 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,394 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 00:35:17,394 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,394 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,394 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,394 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,394 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 00:35:17,394 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 00:35:17,394 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 00:35:17,394 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,395 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,395 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,395 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,395 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:35:17,395 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:35:17,395 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,395 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,395 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:35:17,395 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,396 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,396 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:35:17,396 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:35:17,396 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:35:17,396 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,396 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:35:17,396 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,396 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,396 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 00:35:17,396 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,397 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 00:35:17,397 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,397 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,397 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:35:17,397 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,397 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:35:17,397 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:35:17,397 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:17,397 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:17,397 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:35:17,398 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,398 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,398 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,398 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,398 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:35:17,398 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:17,398 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 00:35:17,398 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,398 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:17,398 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:17,399 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,399 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 00:35:17,399 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 00:35:17,399 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 00:35:17,399 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 00:35:17,399 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 00:35:17,399 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,399 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:17,399 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 00:35:17,399 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:35:17,400 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 00:35:17,400 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,402 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:17,402 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:17,402 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:17,402 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:17,403 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:17,403 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:17,403 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:17,403 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_emptyErr0EnsuresViolation======== [2018-01-21 00:35:17,403 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:17,405 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 00:35:17,406 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:17,406 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:35:17,406 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_emptyErr0EnsuresViolation]=== [2018-01-21 00:35:17,406 INFO L82 PathProgramCache]: Analyzing trace with hash 26295380, now seen corresponding path program 1 times [2018-01-21 00:35:17,407 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:17,407 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,408 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:17,408 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,408 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:17,420 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:17,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:35:17,480 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:17,480 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:17,481 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:17,481 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:17,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:17,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:17,482 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:17,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:17,516 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:17,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:17,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-21 00:35:17,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:17,517 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:17,517 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:17,518 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:17,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:17,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:17,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:17,519 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-01-21 00:35:17,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:17,519 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:17,519 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:17,519 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:17,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:17,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:35:17,579 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,579 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,580 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:35:17,580 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:35:17,580 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:35:17,580 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:35:17,580 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:35:17,580 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,580 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,580 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:35:17,580 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,580 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,580 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:35:17,581 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:35:17,581 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,581 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 00:35:17,581 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 00:35:17,581 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,581 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:17,581 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:35:17,581 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:17,581 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,581 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,581 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,582 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 00:35:17,582 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,582 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 00:35:17,582 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 00:35:17,582 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 00:35:17,582 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 00:35:17,582 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,582 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,582 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 00:35:17,582 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:35:17,582 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:35:17,583 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,583 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,583 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:35:17,583 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,583 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 00:35:17,583 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 00:35:17,583 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 00:35:17,583 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 00:35:17,583 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,583 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,584 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,584 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:35:17,584 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:35:17,584 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,584 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,584 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:35:17,584 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,584 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:17,584 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:35:17,584 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:17,585 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,585 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:35:17,585 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,585 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,585 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:35:17,585 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:35:17,585 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:17,585 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,585 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,585 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:17,585 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:35:17,586 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,586 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:35:17,586 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,586 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,586 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:35:17,586 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,586 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,586 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,586 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,586 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,587 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,587 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:35:17,587 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,587 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 00:35:17,587 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,587 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,587 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,587 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,587 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 00:35:17,587 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 00:35:17,588 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 00:35:17,588 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,588 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,588 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,588 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,588 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:35:17,588 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:35:17,588 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,588 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,588 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:35:17,589 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,589 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,589 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:35:17,589 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:35:17,589 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:35:17,589 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,589 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:35:17,589 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,589 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,589 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 00:35:17,590 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,590 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 00:35:17,590 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,590 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,590 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:35:17,590 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,590 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:35:17,590 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:35:17,590 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:17,590 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:17,590 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:35:17,591 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,591 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,591 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,591 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,591 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:35:17,591 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:17,591 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 00:35:17,591 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,591 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:17,591 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:17,592 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,592 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 00:35:17,592 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 00:35:17,592 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 00:35:17,592 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 00:35:17,592 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 00:35:17,592 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,592 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:17,592 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 00:35:17,592 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:35:17,592 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 00:35:17,593 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,594 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:17,594 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:17,594 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:17,594 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:17,595 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:17,595 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:17,595 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:17,595 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 00:35:17,595 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:17,597 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 00:35:17,598 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:17,598 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:35:17,598 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 00:35:17,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1641899247, now seen corresponding path program 1 times [2018-01-21 00:35:17,599 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:17,600 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,600 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:17,600 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,600 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:17,611 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:35:17,684 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:17,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:17,684 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:17,684 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:17,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:17,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:17,685 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:17,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:17,704 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:17,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:17,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-21 00:35:17,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:17,705 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:17,705 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:17,706 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:17,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:17,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:17,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:17,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:17,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 00:35:17,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:17,706 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:17,706 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:17,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:17,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:35:17,756 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,756 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,756 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:35:17,756 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:35:17,756 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:35:17,756 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:35:17,756 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:35:17,756 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,756 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,756 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:35:17,757 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,757 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,757 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:35:17,757 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:35:17,757 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,757 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 00:35:17,757 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 00:35:17,757 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,757 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:17,757 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:35:17,757 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:17,757 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,757 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,757 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,757 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,758 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 00:35:17,758 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:35:17,758 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,758 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 00:35:17,758 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 00:35:17,759 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,759 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,760 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 00:35:17,761 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 00:35:17,761 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,762 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,762 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,762 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,762 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:35:17,762 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:35:17,762 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,762 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,762 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:35:17,762 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,762 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,762 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:35:17,762 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:35:17,762 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:35:17,762 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,762 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:35:17,762 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,763 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,763 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 00:35:17,763 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,763 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 00:35:17,763 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,763 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,763 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:35:17,763 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,763 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:35:17,763 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:35:17,763 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:17,763 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:17,763 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:35:17,763 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,764 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,764 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,764 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,764 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:35:17,764 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:17,764 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 00:35:17,764 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,764 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:17,764 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:17,764 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,765 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 00:35:17,765 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 00:35:17,765 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 00:35:17,765 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 00:35:17,765 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 00:35:17,765 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,765 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:17,765 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 00:35:17,765 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:35:17,765 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 00:35:17,766 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,767 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:17,768 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:17,768 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:17,768 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:17,768 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:17,768 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:17,768 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:17,768 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_delErr0EnsuresViolation======== [2018-01-21 00:35:17,768 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:17,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 00:35:17,772 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:17,773 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 00:35:17,773 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_delErr0EnsuresViolation]=== [2018-01-21 00:35:17,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1178303605, now seen corresponding path program 1 times [2018-01-21 00:35:17,773 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:17,774 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,774 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:17,774 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,774 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:17,787 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:35:17,859 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:17,859 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:17,859 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:17,860 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:17,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:17,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:17,861 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:17,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:17,897 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:17,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:17,903 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-01-21 00:35:17,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:17,903 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:17,904 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:17,904 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:17,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:17,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:17,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:17,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-01-21 00:35:17,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:17,905 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:17,905 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:17,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:17,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:17,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:35:17,948 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,948 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,948 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:35:17,948 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:35:17,948 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:35:17,949 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:35:17,949 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:35:17,949 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:17,949 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,949 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:35:17,949 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,949 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:17,949 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:35:17,949 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:35:17,949 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,949 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 00:35:17,949 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 00:35:17,949 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,950 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:17,950 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:35:17,950 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:17,950 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,950 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,950 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,950 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 00:35:17,950 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,950 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 00:35:17,950 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 00:35:17,950 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 00:35:17,951 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 00:35:17,951 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 00:35:17,951 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:17,951 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 00:35:17,951 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:35:17,951 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:35:17,951 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,951 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,951 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:35:17,951 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:17,951 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 00:35:17,952 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 00:35:17,952 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 00:35:17,952 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 00:35:17,952 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,952 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,952 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:17,952 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:35:17,952 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:35:17,952 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,952 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,952 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:35:17,952 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:17,952 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:17,952 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,953 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:17,954 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 00:35:17,954 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 00:35:17,955 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 00:35:17,955 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,955 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 00:35:17,955 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,955 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,955 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:35:17,955 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:35:17,955 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,955 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,955 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:35:17,955 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:17,955 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:35:17,955 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:35:17,955 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:35:17,955 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:35:17,955 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 00:35:17,956 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 00:35:17,956 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:35:17,956 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:17,956 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:35:17,957 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:17,957 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,957 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 00:35:17,957 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 00:35:17,958 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 00:35:17,958 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 00:35:17,958 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:17,958 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 00:35:17,958 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:35:17,958 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 00:35:17,958 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:17,959 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:17,959 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:17,959 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:17,960 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:17,960 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:17,960 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:17,960 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:17,960 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_readErr0EnsuresViolation======== [2018-01-21 00:35:17,960 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:17,961 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:17,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 00:35:17,962 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:17,962 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:35:17,962 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_readErr0EnsuresViolation]=== [2018-01-21 00:35:17,963 INFO L82 PathProgramCache]: Analyzing trace with hash -947257103, now seen corresponding path program 1 times [2018-01-21 00:35:17,963 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:17,964 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,964 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:17,964 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:17,964 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:17,971 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:18,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:35:18,052 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:18,052 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:35:18,052 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:18,052 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:18,053 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:18,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,053 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:18,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:18,074 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:18,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:18,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-01-21 00:35:18,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:18,075 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:18,075 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:18,076 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:18,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:18,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-01-21 00:35:18,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:18,076 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:18,076 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:18,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:18,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:35:18,109 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:18,109 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:35:18,110 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:35:18,110 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 00:35:18,110 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 00:35:18,110 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 00:35:18,110 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:18,110 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:18,110 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:35:18,110 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:18,110 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:18,110 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:18,110 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:18,110 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 00:35:18,110 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:18,110 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 00:35:18,110 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 00:35:18,111 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:18,111 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:18,112 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:35:18,113 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:35:18,113 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:18,113 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:35:18,113 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:35:18,113 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:18,113 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:35:18,113 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:35:18,113 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:35:18,113 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:18,113 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:18,114 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:18,115 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 00:35:18,115 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 00:35:18,115 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 00:35:18,115 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 00:35:18,115 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 00:35:18,115 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:18,115 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:35:18,115 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:35:18,115 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:35:18,115 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:35:18,115 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:18,115 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:35:18,115 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:18,115 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:35:18,115 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:35:18,115 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:18,116 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 00:35:18,117 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 00:35:18,118 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 00:35:18,118 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 00:35:18,118 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:18,118 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 00:35:18,118 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:35:18,118 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 00:35:18,118 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:18,119 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:18,119 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:18,119 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:18,119 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:18,119 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:18,120 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:18,120 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:18,120 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_destroyErr0EnsuresViolation======== [2018-01-21 00:35:18,120 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:18,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 00:35:18,121 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:18,122 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] [2018-01-21 00:35:18,122 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_destroyErr0EnsuresViolation]=== [2018-01-21 00:35:18,122 INFO L82 PathProgramCache]: Analyzing trace with hash -929230515, now seen corresponding path program 1 times [2018-01-21 00:35:18,122 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:18,122 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,123 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:18,123 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,123 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:18,130 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:35:18,178 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:18,178 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:18,178 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:18,178 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:18,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:18,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,179 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:18,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:18,205 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:18,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:18,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 00:35:18,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:18,206 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:18,206 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:18,207 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:18,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:18,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:18,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 00:35:18,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:18,208 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:18,208 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:18,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:18,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:18,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:35:18,231 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:18,231 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:18,231 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:35:18,231 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:35:18,231 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:35:18,232 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:35:18,232 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:35:18,232 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:35:18,232 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:18,232 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:35:18,232 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:18,232 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:35:18,232 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:35:18,232 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:35:18,232 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 00:35:18,232 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 00:35:18,233 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 00:35:18,233 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:18,233 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:18,233 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:35:18,233 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 00:35:18,233 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:18,233 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:18,233 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:18,233 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 00:35:18,233 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 00:35:18,234 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 00:35:18,234 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 00:35:18,234 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 00:35:18,234 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 00:35:18,234 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 00:35:18,234 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 00:35:18,234 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 00:35:18,234 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:35:18,234 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:35:18,234 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:18,234 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:18,235 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:35:18,235 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:35:18,235 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 00:35:18,235 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 00:35:18,235 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 00:35:18,235 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 00:35:18,235 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:18,235 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:18,235 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 00:35:18,235 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:35:18,236 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:35:18,236 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:18,236 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:18,236 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:35:18,236 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:35:18,236 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:18,236 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:35:18,236 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:35:18,236 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:18,236 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:35:18,236 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:18,237 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:35:18,237 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:35:18,237 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:35:18,237 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:18,237 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:35:18,237 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:35:18,237 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:35:18,237 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:35:18,237 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:35:18,237 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:35:18,237 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:18,238 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:18,238 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:35:18,238 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:35:18,238 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,238 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:35:18,238 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:35:18,238 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,238 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:35:18,238 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:35:18,238 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,238 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 00:35:18,239 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 00:35:18,239 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:18,239 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:18,239 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 00:35:18,239 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 00:35:18,239 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 00:35:18,239 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 00:35:18,239 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 00:35:18,239 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 00:35:18,239 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:18,239 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:35:18,240 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:35:18,240 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:35:18,240 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:35:18,240 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:18,240 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:35:18,240 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:35:18,240 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:35:18,240 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:35:18,240 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:35:18,240 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:35:18,241 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:18,241 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:35:18,241 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:18,241 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:35:18,241 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 00:35:18,241 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,241 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 00:35:18,241 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,241 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 00:35:18,241 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:35:18,241 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:18,242 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:35:18,242 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:35:18,242 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:18,242 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:35:18,242 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:35:18,242 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:18,242 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:35:18,242 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 00:35:18,242 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 00:35:18,242 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:35:18,243 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:18,243 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 00:35:18,243 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:18,243 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:18,243 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 00:35:18,243 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:18,243 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 00:35:18,243 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 00:35:18,243 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 00:35:18,243 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 00:35:18,243 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 00:35:18,244 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 00:35:18,244 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 00:35:18,244 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 00:35:18,244 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:35:18,244 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 00:35:18,244 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 00:35:18,245 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:18,246 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:18,246 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:18,246 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:18,246 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:18,246 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:18,246 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:18,246 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 00:35:18,246 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:18,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-01-21 00:35:18,248 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:18,248 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-01-21 00:35:18,249 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 00:35:18,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1636836312, now seen corresponding path program 1 times [2018-01-21 00:35:18,249 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:18,249 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,250 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:18,250 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,250 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:35:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:35:18,281 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 00:35:18,288 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:35:18,292 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 00:35:18,292 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 00:35:18,293 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 00:35:18,293 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 00:35:18,296 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:18,296 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:18,296 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:18,296 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:18,296 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:18,296 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:18,296 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:18,296 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_delErr0EnsuresViolation======== [2018-01-21 00:35:18,296 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:18,298 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-01-21 00:35:18,300 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:18,300 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:35:18,300 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_delErr0EnsuresViolation]=== [2018-01-21 00:35:18,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1099159158, now seen corresponding path program 1 times [2018-01-21 00:35:18,300 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:18,301 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,301 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:18,301 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,301 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:18,310 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:35:18,370 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:18,370 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:18,370 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:18,371 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:18,371 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:18,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,371 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:18,414 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:18,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:18,415 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-01-21 00:35:18,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:18,415 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:18,415 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:18,416 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:18,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:18,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:18,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:18,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2018-01-21 00:35:18,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:18,417 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:18,417 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:18,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:18,419 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:18,419 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:18,419 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:18,420 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:18,420 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:18,420 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:18,420 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:18,420 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_moveErr0EnsuresViolation======== [2018-01-21 00:35:18,420 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:18,422 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:18,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-01-21 00:35:18,424 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:18,424 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:35:18,424 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_moveErr0EnsuresViolation]=== [2018-01-21 00:35:18,425 INFO L82 PathProgramCache]: Analyzing trace with hash -2026433964, now seen corresponding path program 1 times [2018-01-21 00:35:18,425 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:18,426 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,426 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:18,426 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,426 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:18,437 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:18,504 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-21 00:35:18,504 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:18,504 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:18,505 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:18,505 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:18,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:18,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,505 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:18,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:18,522 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:18,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:18,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-01-21 00:35:18,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:18,523 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:18,523 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:18,523 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:18,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:18,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:18,524 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-01-21 00:35:18,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:18,524 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:18,524 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:18,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:18,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:18,525 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:18,525 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:18,525 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:18,525 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:18,525 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:18,525 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:18,525 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:18,525 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_addErr0EnsuresViolation======== [2018-01-21 00:35:18,525 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:18,527 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 00:35:18,528 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:18,528 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:35:18,528 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_addErr0EnsuresViolation]=== [2018-01-21 00:35:18,528 INFO L82 PathProgramCache]: Analyzing trace with hash -2047724681, now seen corresponding path program 1 times [2018-01-21 00:35:18,528 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:18,529 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,529 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:18,529 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,529 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:18,535 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:35:18,600 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:18,600 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:18,601 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:18,601 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:18,601 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:18,601 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,601 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:18,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:18,619 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:18,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:18,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-01-21 00:35:18,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:18,620 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:18,620 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:18,620 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:18,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:18,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:18,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 00:35:18,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:18,621 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:18,622 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:18,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:18,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:18,623 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:18,623 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:18,623 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:18,623 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:18,623 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:18,624 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:18,624 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:18,624 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 00:35:18,624 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 00:35:18,626 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:18,627 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:35:18,627 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 00:35:18,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1612173024, now seen corresponding path program 1 times [2018-01-21 00:35:18,627 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:18,628 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,628 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:18,628 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,628 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:18,635 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:35:18,695 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:18,696 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:18,696 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:18,696 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:18,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:18,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,697 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:18,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:18,722 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:18,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:18,724 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-21 00:35:18,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:18,725 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:18,725 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:18,725 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:18,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:18,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 00:35:18,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:18,726 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:18,726 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:18,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:18,728 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:18,728 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:18,728 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:18,728 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:18,728 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:18,728 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:18,728 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:18,729 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_insertErr0EnsuresViolation======== [2018-01-21 00:35:18,729 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:18,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-21 00:35:18,731 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:18,731 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:35:18,731 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_insertErr0EnsuresViolation]=== [2018-01-21 00:35:18,731 INFO L82 PathProgramCache]: Analyzing trace with hash -768391087, now seen corresponding path program 1 times [2018-01-21 00:35:18,732 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:18,732 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,732 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:18,733 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,733 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:18,740 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:35:18,799 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:18,799 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:18,799 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:18,799 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:18,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:18,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,799 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:18,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:18,819 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:18,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:18,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-21 00:35:18,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:18,821 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:18,821 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:18,821 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:18,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:18,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-21 00:35:18,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:18,822 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:18,822 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:18,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:18,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:18,824 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:35:18,824 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:35:18,824 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:35:18,824 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:35:18,824 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:35:18,824 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:35:18,825 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:35:18,825 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_seek_maxErr0EnsuresViolation======== [2018-01-21 00:35:18,825 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:35:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:35:18,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-21 00:35:18,827 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:35:18,828 INFO L322 BasicCegarLoop]: trace histogram [2, 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 00:35:18,828 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_seek_maxErr0EnsuresViolation]=== [2018-01-21 00:35:18,828 INFO L82 PathProgramCache]: Analyzing trace with hash 865447086, now seen corresponding path program 1 times [2018-01-21 00:35:18,828 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:35:18,829 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,829 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:35:18,829 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:35:18,829 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:35:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:35:18,836 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:35:18,949 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-21 00:35:18,950 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:35:18,950 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:35:18,950 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:35:18,950 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:35:18,951 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:35:18,951 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,951 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:35:18,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:35:18,992 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 00:35:18,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:35:18,992 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-01-21 00:35:18,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:35:18,992 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:35:18,992 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:35:18,993 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:35:18,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:35:18,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:35:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:35:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:35:18,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-01-21 00:35:18,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:35:18,994 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:35:18,994 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:35:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:35:18,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:35:18,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 12:35:18 BoogieIcfgContainer [2018-01-21 00:35:18,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 00:35:18,998 INFO L168 Benchmark]: Toolchain (without parser) took 3398.57 ms. Allocated memory was 310.4 MB in the beginning and 510.1 MB in the end (delta: 199.8 MB). Free memory was 268.7 MB in the beginning and 400.5 MB in the end (delta: -131.8 MB). Peak memory consumption was 67.9 MB. Max. memory is 5.3 GB. [2018-01-21 00:35:18,999 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 310.4 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 00:35:19,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.99 ms. Allocated memory is still 310.4 MB. Free memory was 267.7 MB in the beginning and 255.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-01-21 00:35:19,000 INFO L168 Benchmark]: Boogie Preprocessor took 45.99 ms. Allocated memory is still 310.4 MB. Free memory was 255.6 MB in the beginning and 253.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 00:35:19,000 INFO L168 Benchmark]: RCFGBuilder took 484.69 ms. Allocated memory is still 310.4 MB. Free memory was 253.6 MB in the beginning and 220.0 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 5.3 GB. [2018-01-21 00:35:19,001 INFO L168 Benchmark]: TraceAbstraction took 2630.56 ms. Allocated memory was 310.4 MB in the beginning and 510.1 MB in the end (delta: 199.8 MB). Free memory was 220.0 MB in the beginning and 400.5 MB in the end (delta: -180.5 MB). Peak memory consumption was 19.2 MB. Max. memory is 5.3 GB. [2018-01-21 00:35:19,002 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 310.4 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 229.99 ms. Allocated memory is still 310.4 MB. Free memory was 267.7 MB in the beginning and 255.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.99 ms. Allocated memory is still 310.4 MB. Free memory was 255.6 MB in the beginning and 253.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 484.69 ms. Allocated memory is still 310.4 MB. Free memory was 253.6 MB in the beginning and 220.0 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2630.56 ms. Allocated memory was 310.4 MB in the beginning and 510.1 MB in the end (delta: 199.8 MB). Free memory was 220.0 MB in the beginning and 400.5 MB in the end (delta: -180.5 MB). Peak memory consumption was 19.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 627]: 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: __list_addErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1625 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: 684]: 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: val_from_nodeErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 3321 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 703]: 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: gl_sortErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1281 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: 623]: 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: list_emptyErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 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: 714]: 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 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2001 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: 636]: 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: __list_delErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 4224 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: 669]: 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: gl_readErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 500 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: 676]: 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: gl_destroyErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1716 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: IVAL [\old(gl_list)=null, \old(gl_list)=null, gl_list={14:12}] [L660] FCALL struct list_head gl_list = { &(gl_list), &(gl_list) }; VAL [\old(gl_list)=null, \old(gl_list)=null, gl_list={11:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 645]: 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: list_delErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 4929 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: 651]: 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: list_moveErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 6656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 641]: 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: list_addErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1904 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: 1]: 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: ULTIMATE.startErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 2201 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: 661]: 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: gl_insertErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 2100 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: 688]: 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: gl_seek_maxErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 2625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: 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/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_00-35-19-016.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-21_00-35-19-016.csv Received shutdown request...