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_preciseopt.epf -i ../../../trunk/examples/svcomp/memsafety/test-0137_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 08:18:27,456 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 08:18:27,458 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 08:18:27,472 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 08:18:27,473 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 08:18:27,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 08:18:27,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 08:18:27,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 08:18:27,477 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 08:18:27,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 08:18:27,478 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 08:18:27,478 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 08:18:27,479 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 08:18:27,480 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 08:18:27,481 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 08:18:27,484 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 08:18:27,486 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 08:18:27,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 08:18:27,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 08:18:27,491 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 08:18:27,493 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 08:18:27,498 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 08:18:27,498 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 08:18:27,499 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_preciseopt.epf [2018-01-21 08:18:27,509 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 08:18:27,509 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 08:18:27,510 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 08:18:27,510 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 08:18:27,510 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 08:18:27,511 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 08:18:27,511 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-21 08:18:27,511 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 08:18:27,511 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 08:18:27,512 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 08:18:27,512 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 08:18:27,512 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 08:18:27,512 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 08:18:27,513 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 08:18:27,513 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 08:18:27,513 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 08:18:27,513 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 08:18:27,513 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 08:18:27,514 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 08:18:27,514 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 08:18:27,514 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 08:18:27,514 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 08:18:27,514 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 08:18:27,515 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 08:18:27,515 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 08:18:27,515 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 08:18:27,515 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 08:18:27,515 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 08:18:27,516 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 08:18:27,516 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 08:18:27,516 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 08:18:27,516 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 08:18:27,516 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 08:18:27,516 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 08:18:27,517 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 08:18:27,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 08:18:27,517 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 08:18:27,517 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 08:18:27,518 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 08:18:27,518 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 08:18:27,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 08:18:27,567 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 08:18:27,571 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 08:18:27,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 08:18:27,573 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 08:18:27,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0137_false-valid-deref.i [2018-01-21 08:18:27,757 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 08:18:27,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 08:18:27,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 08:18:27,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 08:18:27,772 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 08:18:27,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:18:27" (1/1) ... [2018-01-21 08:18:27,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e1729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:18:27, skipping insertion in model container [2018-01-21 08:18:27,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:18:27" (1/1) ... [2018-01-21 08:18:27,797 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:18:27,842 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:18:27,978 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:18:28,008 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:18:28,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:18:28 WrapperNode [2018-01-21 08:18:28,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 08:18:28,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 08:18:28,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 08:18:28,017 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 08:18:28,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:18:28" (1/1) ... [2018-01-21 08:18:28,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:18:28" (1/1) ... [2018-01-21 08:18:28,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:18:28" (1/1) ... [2018-01-21 08:18:28,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:18:28" (1/1) ... [2018-01-21 08:18:28,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:18:28" (1/1) ... [2018-01-21 08:18:28,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:18:28" (1/1) ... [2018-01-21 08:18:28,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:18:28" (1/1) ... [2018-01-21 08:18:28,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 08:18:28,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 08:18:28,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 08:18:28,062 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 08:18:28,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:18:28" (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 08:18:28,119 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 08:18:28,119 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 08:18:28,119 INFO L136 BoogieDeclarations]: Found implementation of procedure list_empty [2018-01-21 08:18:28,120 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-01-21 08:18:28,120 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-01-21 08:18:28,120 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-01-21 08:18:28,120 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-01-21 08:18:28,120 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-01-21 08:18:28,120 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-01-21 08:18:28,120 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-01-21 08:18:28,120 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-01-21 08:18:28,120 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_seek_max [2018-01-21 08:18:28,121 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-01-21 08:18:28,121 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 08:18:28,121 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 08:18:28,121 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 08:18:28,121 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 08:18:28,122 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 08:18:28,122 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 08:18:28,122 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 08:18:28,122 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 08:18:28,122 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 08:18:28,122 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 08:18:28,123 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 08:18:28,123 INFO L128 BoogieDeclarations]: Found specification of procedure list_empty [2018-01-21 08:18:28,123 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-01-21 08:18:28,123 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-01-21 08:18:28,123 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-01-21 08:18:28,123 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-01-21 08:18:28,123 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-01-21 08:18:28,124 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-01-21 08:18:28,124 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-01-21 08:18:28,124 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-01-21 08:18:28,124 INFO L128 BoogieDeclarations]: Found specification of procedure gl_seek_max [2018-01-21 08:18:28,124 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-01-21 08:18:28,124 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 08:18:28,125 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 08:18:28,125 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 08:18:28,578 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 08:18:28,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:18:28 BoogieIcfgContainer [2018-01-21 08:18:28,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 08:18:28,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 08:18:28,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 08:18:28,583 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 08:18:28,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 08:18:27" (1/3) ... [2018-01-21 08:18:28,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5f9008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:18:28, skipping insertion in model container [2018-01-21 08:18:28,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:18:28" (2/3) ... [2018-01-21 08:18:28,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5f9008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:18:28, skipping insertion in model container [2018-01-21 08:18:28,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:18:28" (3/3) ... [2018-01-21 08:18:28,586 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0137_false-valid-deref.i [2018-01-21 08:18:28,594 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 08:18:28,601 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2018-01-21 08:18:28,642 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:28,642 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:28,643 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:28,643 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:28,643 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:28,643 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:28,643 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:28,643 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_addErr0EnsuresViolation======== [2018-01-21 08:18:28,644 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:28,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 08:18:28,673 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:28,674 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 08:18:28,674 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_addErr0EnsuresViolation]=== [2018-01-21 08:18:28,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1496874194, now seen corresponding path program 1 times [2018-01-21 08:18:28,680 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:28,722 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:28,722 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:28,723 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:28,723 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:28,793 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:29,041 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 08:18:29,043 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:29,072 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 08:18:29,072 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:29,075 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:29,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:29,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:29,088 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:29,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:29,145 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:29,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:29,147 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-21 08:18:29,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:29,152 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:29,152 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:29,155 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 08:18:29,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:29,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:29,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:29,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 08:18:29,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:29,176 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:29,176 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:29,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:29,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:29,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:18:29,230 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,230 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,230 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:18:29,231 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:18:29,231 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:18:29,231 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:18:29,231 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:18:29,231 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,231 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,231 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:18:29,231 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,231 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,231 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:18:29,232 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:18:29,232 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:29,232 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 08:18:29,232 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,232 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,232 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 08:18:29,232 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,232 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,232 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,232 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,232 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:29,233 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,233 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 08:18:29,233 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,233 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,233 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 08:18:29,233 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 08:18:29,233 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 08:18:29,233 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 08:18:29,233 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 08:18:29,233 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,234 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,234 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,234 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,234 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:18:29,234 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,234 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,234 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,234 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,234 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:18:29,234 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:18:29,234 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,235 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,235 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:18:29,235 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,235 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:18:29,235 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:18:29,235 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,235 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,235 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:18:29,235 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,235 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 08:18:29,235 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 08:18:29,235 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,236 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 08:18:29,236 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 08:18:29,236 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,236 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,236 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:29,236 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:18:29,236 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:29,236 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,236 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:18:29,236 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,236 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,237 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:18:29,237 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:18:29,237 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:29,237 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,237 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,237 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:29,237 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:18:29,237 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,237 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:18:29,237 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,237 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,237 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:18:29,238 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,238 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,238 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,238 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,238 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,238 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,238 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:18:29,238 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,238 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,238 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,238 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:18:29,239 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:18:29,239 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,239 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,239 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:18:29,239 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,239 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,239 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:18:29,239 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:18:29,239 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:18:29,239 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,239 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:18:29,239 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,239 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,240 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 08:18:29,240 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,240 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 08:18:29,240 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,240 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,240 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:18:29,240 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,240 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:18:29,240 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:18:29,240 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:29,240 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:29,240 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:18:29,241 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,241 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,241 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 08:18:29,241 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 08:18:29,241 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:18:29,241 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,241 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 08:18:29,241 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,242 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:29,242 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 08:18:29,242 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 08:18:29,242 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 08:18:29,242 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 08:18:29,242 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,242 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 08:18:29,242 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:29,242 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:29,242 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:18:29,242 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 08:18:29,242 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,243 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:29,243 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,243 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,247 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:29,247 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:29,247 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:29,247 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:29,247 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:29,247 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:29,247 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:29,247 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == val_from_nodeErr0EnsuresViolation======== [2018-01-21 08:18:29,247 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:29,250 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-01-21 08:18:29,253 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:29,253 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] [2018-01-21 08:18:29,253 INFO L371 AbstractCegarLoop]: === Iteration 1 === [val_from_nodeErr0EnsuresViolation]=== [2018-01-21 08:18:29,254 INFO L82 PathProgramCache]: Analyzing trace with hash -960956095, now seen corresponding path program 1 times [2018-01-21 08:18:29,254 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:29,254 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:29,255 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:29,255 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:29,255 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:29,276 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:29,375 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 08:18:29,375 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:29,375 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:18:29,375 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:29,376 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:29,376 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:29,376 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:29,376 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:29,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:29,442 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:29,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:29,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-01-21 08:18:29,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:29,443 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:29,443 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:29,445 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 08:18:29,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:29,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:29,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:29,446 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-01-21 08:18:29,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:29,446 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:29,446 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:29,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:29,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:29,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:18:29,486 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,486 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,486 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:18:29,486 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:18:29,486 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:18:29,486 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:18:29,487 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:18:29,487 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,487 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,487 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:18:29,487 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,487 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,487 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:18:29,487 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:18:29,488 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:29,488 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 08:18:29,488 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,488 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,488 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 08:18:29,488 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,488 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,488 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,489 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,489 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:29,489 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,491 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 08:18:29,491 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,491 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,491 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 08:18:29,491 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 08:18:29,491 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 08:18:29,492 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 08:18:29,492 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 08:18:29,492 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,492 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,492 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,492 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,492 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:18:29,492 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,492 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,493 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,493 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,493 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:18:29,493 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:18:29,493 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,493 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,493 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:18:29,493 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,494 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:18:29,494 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:18:29,494 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,494 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,494 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:18:29,494 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,494 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 08:18:29,494 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 08:18:29,495 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,495 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 08:18:29,495 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 08:18:29,495 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,496 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,496 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:29,496 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:18:29,496 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:29,496 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,496 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:18:29,497 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,497 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,497 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:18:29,497 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:18:29,497 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:29,497 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,497 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,497 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:29,498 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:18:29,498 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,498 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:18:29,498 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,498 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,498 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:18:29,498 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,498 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,499 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,499 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,499 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,499 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,499 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:18:29,499 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,499 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,499 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,499 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:18:29,500 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:18:29,500 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,500 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,500 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:18:29,500 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,500 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,500 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:18:29,500 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:18:29,501 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:18:29,501 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,501 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:18:29,501 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,501 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,501 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 08:18:29,501 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,501 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 08:18:29,501 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,502 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,502 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:18:29,502 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,502 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:18:29,502 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:18:29,502 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:29,502 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:29,502 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:18:29,502 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,503 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,512 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 08:18:29,512 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 08:18:29,512 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:18:29,513 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,513 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 08:18:29,513 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,513 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:29,513 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 08:18:29,513 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 08:18:29,513 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 08:18:29,513 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 08:18:29,514 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,514 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 08:18:29,514 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:29,514 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:29,514 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:18:29,514 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 08:18:29,514 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,514 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:29,514 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,515 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,518 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:29,518 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:29,518 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:29,518 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:29,519 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:29,519 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:29,519 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:29,519 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_sortErr0EnsuresViolation======== [2018-01-21 08:18:29,519 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-21 08:18:29,523 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:29,523 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 08:18:29,524 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_sortErr0EnsuresViolation]=== [2018-01-21 08:18:29,524 INFO L82 PathProgramCache]: Analyzing trace with hash -95720393, now seen corresponding path program 1 times [2018-01-21 08:18:29,524 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:29,525 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:29,525 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:29,525 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:29,526 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:29,539 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:29,611 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 08:18:29,611 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:29,612 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:18:29,612 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:29,612 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:29,612 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:29,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:29,613 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:29,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:29,679 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:29,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:29,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-21 08:18:29,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:29,680 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:29,681 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:29,682 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 08:18:29,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:29,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:29,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:29,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:29,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-21 08:18:29,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:29,683 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:29,683 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:29,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:29,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:29,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:18:29,747 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,747 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,747 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:18:29,747 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:18:29,747 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:18:29,747 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:18:29,747 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:18:29,747 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,747 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,747 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:18:29,748 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,748 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,748 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:18:29,748 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:18:29,748 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:29,748 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 08:18:29,748 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,748 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,748 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 08:18:29,748 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,748 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,748 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,748 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 08:18:29,749 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,749 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,750 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,751 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:18:29,751 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,751 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 08:18:29,751 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 08:18:29,751 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,751 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 08:18:29,751 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 08:18:29,751 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,751 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,751 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:29,752 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:18:29,752 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:29,752 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,752 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:18:29,752 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,752 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,752 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:18:29,752 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:18:29,753 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:29,753 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,753 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,753 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:29,753 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:18:29,753 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,753 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:18:29,753 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,753 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,754 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:18:29,754 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,754 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,754 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,754 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,754 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,754 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,754 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:18:29,754 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,755 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,755 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,755 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:18:29,755 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:18:29,755 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,755 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,755 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:18:29,755 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,755 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,755 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:18:29,755 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:18:29,755 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:18:29,755 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,755 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:18:29,756 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,756 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,756 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 08:18:29,756 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,756 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 08:18:29,756 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,756 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,756 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:18:29,756 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,756 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:18:29,756 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:18:29,756 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:29,756 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:29,756 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:18:29,757 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,757 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,757 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 08:18:29,757 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 08:18:29,757 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:18:29,757 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,757 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 08:18:29,757 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,757 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:29,757 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 08:18:29,757 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 08:18:29,757 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 08:18:29,757 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 08:18:29,757 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,758 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 08:18:29,758 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:29,758 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:29,758 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:18:29,758 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 08:18:29,758 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,758 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:29,758 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,758 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,760 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:29,760 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:29,760 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:29,760 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:29,760 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:29,760 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:29,760 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:29,760 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_emptyErr0EnsuresViolation======== [2018-01-21 08:18:29,761 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 08:18:29,763 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:29,763 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 08:18:29,763 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_emptyErr0EnsuresViolation]=== [2018-01-21 08:18:29,763 INFO L82 PathProgramCache]: Analyzing trace with hash -2104114177, now seen corresponding path program 1 times [2018-01-21 08:18:29,763 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:29,764 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:29,764 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:29,764 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:29,764 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:29,777 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:29,848 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 08:18:29,848 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:29,849 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:18:29,849 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:29,849 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:29,850 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:29,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:29,850 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:29,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:29,892 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:29,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:29,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-21 08:18:29,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:29,893 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:29,893 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:29,894 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 08:18:29,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:29,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:29,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-01-21 08:18:29,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:29,896 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:29,896 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:29,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:29,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:29,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:18:29,931 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,931 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:29,932 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 08:18:29,932 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 08:18:29,933 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 08:18:29,933 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 08:18:29,933 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,934 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:18:29,935 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:29,935 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:18:29,935 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:18:29,935 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,935 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,935 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:18:29,935 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:29,935 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 08:18:29,935 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 08:18:29,935 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,935 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 08:18:29,935 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 08:18:29,936 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,936 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:29,936 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:29,936 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:18:29,936 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:29,936 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,936 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:18:29,936 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,936 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:29,936 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:18:29,937 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:18:29,937 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:29,937 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,937 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,937 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:29,937 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:18:29,937 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:18:29,937 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:18:29,937 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,937 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,937 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:18:29,938 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:29,938 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,938 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,938 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,938 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,938 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:18:29,938 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:18:29,938 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,938 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,939 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,939 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:18:29,939 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:18:29,939 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,939 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,939 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:18:29,939 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:29,939 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:18:29,939 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:18:29,940 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:18:29,940 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:18:29,940 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,940 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:18:29,940 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,940 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:29,940 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 08:18:29,940 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,940 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 08:18:29,941 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,941 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:29,941 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:18:29,941 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,941 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:18:29,941 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:18:29,941 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:29,941 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:29,941 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:18:29,942 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,942 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:29,942 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 08:18:29,942 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 08:18:29,942 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:18:29,942 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,942 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 08:18:29,942 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,942 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:29,943 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 08:18:29,943 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 08:18:29,943 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 08:18:29,943 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 08:18:29,943 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,943 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 08:18:29,943 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:29,943 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:29,943 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:18:29,943 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 08:18:29,944 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,944 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:29,944 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 08:18:29,944 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:29,946 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:29,946 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:29,946 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:29,946 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:29,946 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:29,946 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:29,946 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:29,947 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_delErr0EnsuresViolation======== [2018-01-21 08:18:29,947 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:29,948 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 08:18:29,951 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:29,951 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] [2018-01-21 08:18:29,952 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_delErr0EnsuresViolation]=== [2018-01-21 08:18:29,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1363924563, now seen corresponding path program 1 times [2018-01-21 08:18:29,952 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:29,953 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:29,953 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:29,953 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:29,953 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:29,968 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:30,037 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 08:18:30,038 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:30,038 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:18:30,038 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:30,038 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:30,039 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:30,039 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:30,039 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:30,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:30,070 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:30,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:30,071 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-01-21 08:18:30,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:30,071 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:30,071 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:30,072 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 08:18:30,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:30,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:30,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:30,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:30,073 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-01-21 08:18:30,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:30,073 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:30,073 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:30,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:30,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:18:30,094 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,095 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,095 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:18:30,095 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:18:30,095 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:18:30,095 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:18:30,095 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:18:30,095 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,095 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,095 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:18:30,095 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,095 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,096 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:18:30,096 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:18:30,096 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:30,096 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 08:18:30,096 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,096 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,096 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 08:18:30,096 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,096 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,096 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,097 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,097 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:30,097 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,097 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 08:18:30,097 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,097 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,097 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 08:18:30,097 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 08:18:30,097 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 08:18:30,097 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 08:18:30,097 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 08:18:30,097 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,097 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:18:30,098 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,099 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:18:30,099 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:18:30,099 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,099 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,099 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:18:30,099 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,099 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 08:18:30,099 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 08:18:30,099 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,099 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 08:18:30,099 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 08:18:30,099 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,099 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,099 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:30,099 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:18:30,099 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,100 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:18:30,101 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,101 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:18:30,101 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,102 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,102 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:18:30,102 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:18:30,102 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:18:30,102 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,102 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:18:30,102 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,102 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,102 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 08:18:30,102 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,102 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 08:18:30,102 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,102 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,102 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:18:30,102 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:18:30,103 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:18:30,103 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,103 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:30,104 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 08:18:30,104 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 08:18:30,104 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 08:18:30,104 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 08:18:30,104 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,104 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 08:18:30,104 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:30,104 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:30,104 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:18:30,104 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 08:18:30,104 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,104 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:30,104 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,104 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,106 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:30,106 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:30,106 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:30,106 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:30,106 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:30,106 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:30,106 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:30,106 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 08:18:30,106 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:30,107 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 08:18:30,109 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:30,109 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 08:18:30,109 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 08:18:30,109 INFO L82 PathProgramCache]: Analyzing trace with hash 129010467, now seen corresponding path program 1 times [2018-01-21 08:18:30,110 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:30,110 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,111 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:30,111 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,111 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:30,120 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:30,228 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 08:18:30,229 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:30,229 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:18:30,229 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:30,229 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:30,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:30,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:30,230 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:30,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:30,268 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:30,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:30,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-21 08:18:30,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:30,269 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:30,269 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:30,270 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 08:18:30,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:30,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:30,271 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 08:18:30,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:30,271 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:30,271 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:30,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:30,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:18:30,302 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:18:30,303 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:30,303 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 08:18:30,304 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 08:18:30,304 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,305 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:18:30,306 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,306 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:18:30,306 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:18:30,306 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,306 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,306 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:18:30,306 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,306 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 08:18:30,306 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 08:18:30,306 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,306 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 08:18:30,306 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 08:18:30,306 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,306 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,306 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,307 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:18:30,307 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,308 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:18:30,308 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:18:30,308 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,309 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,309 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:18:30,309 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,309 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,309 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:18:30,309 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:18:30,309 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:18:30,309 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,309 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:18:30,309 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,309 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,309 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 08:18:30,309 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,309 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 08:18:30,309 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,309 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,310 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:30,311 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 08:18:30,311 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 08:18:30,311 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 08:18:30,311 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 08:18:30,311 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,311 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 08:18:30,311 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:30,311 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:30,311 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:18:30,311 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 08:18:30,311 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,311 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:30,311 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,311 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,313 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:30,313 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:30,313 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:30,313 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:30,313 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:30,313 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:30,313 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:30,313 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_readErr0EnsuresViolation======== [2018-01-21 08:18:30,313 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:30,314 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 08:18:30,315 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:30,315 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:18:30,315 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_readErr0EnsuresViolation]=== [2018-01-21 08:18:30,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1502029285, now seen corresponding path program 1 times [2018-01-21 08:18:30,315 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:30,316 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,316 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:30,316 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,316 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:30,323 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:30,361 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 08:18:30,361 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:30,361 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 08:18:30,361 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:30,361 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:30,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:30,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:30,362 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:30,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:30,392 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:30,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:30,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-01-21 08:18:30,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:30,393 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:30,393 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:30,393 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 08:18:30,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:30,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:30,394 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-01-21 08:18:30,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:30,394 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:30,394 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:30,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:30,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:18:30,453 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,453 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,453 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:18:30,453 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:18:30,453 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:18:30,453 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:18:30,453 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,454 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 08:18:30,455 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:18:30,455 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:18:30,456 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,457 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 08:18:30,457 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 08:18:30,457 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,457 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 08:18:30,457 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 08:18:30,457 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,457 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,457 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:30,457 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:18:30,457 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:30,457 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,457 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:18:30,457 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,457 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,457 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,458 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,459 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,459 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,459 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:18:30,459 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,459 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,459 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,459 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:18:30,459 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:18:30,459 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,459 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,459 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:18:30,459 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,459 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,459 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:18:30,460 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,460 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,460 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:18:30,460 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:18:30,460 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:30,461 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:30,461 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:18:30,461 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,461 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,461 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 08:18:30,461 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 08:18:30,461 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:18:30,461 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,461 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 08:18:30,461 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,461 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:30,461 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 08:18:30,461 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 08:18:30,461 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 08:18:30,461 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 08:18:30,462 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,462 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 08:18:30,462 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:30,462 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:30,462 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:18:30,462 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 08:18:30,462 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,462 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:30,462 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,462 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,464 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:30,464 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:30,464 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:30,464 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:30,464 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:30,464 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:30,464 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:30,464 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_destroyErr0EnsuresViolation======== [2018-01-21 08:18:30,465 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:30,466 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:30,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 08:18:30,467 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:30,467 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 08:18:30,467 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_destroyErr0EnsuresViolation]=== [2018-01-21 08:18:30,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1862824386, now seen corresponding path program 1 times [2018-01-21 08:18:30,468 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:30,469 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,469 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:30,469 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,469 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:30,477 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:30,546 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 08:18:30,546 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:30,546 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:18:30,546 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:30,547 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:30,547 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:30,547 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:30,547 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:30,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:30,629 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:30,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:30,630 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 08:18:30,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:30,630 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:30,631 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:30,631 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 08:18:30,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:30,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:30,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 08:18:30,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:30,632 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:30,632 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:30,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:30,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:30,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:18:30,662 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,662 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,662 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:18:30,662 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:18:30,662 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:18:30,662 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:18:30,662 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:18:30,662 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:18:30,663 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,663 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:18:30,663 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,663 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:18:30,663 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:18:30,663 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:18:30,663 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:30,663 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 08:18:30,663 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,663 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,663 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 08:18:30,664 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,664 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,664 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,664 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,664 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 08:18:30,664 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,664 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 08:18:30,664 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,664 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,664 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 08:18:30,665 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 08:18:30,665 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 08:18:30,665 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 08:18:30,665 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 08:18:30,665 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,665 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,665 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,665 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 08:18:30,665 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:18:30,665 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 08:18:30,665 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 08:18:30,665 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,666 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 08:18:30,666 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:18:30,666 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:18:30,666 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,666 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,666 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:18:30,666 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:18:30,666 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:18:30,666 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:18:30,666 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,667 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,667 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:18:30,667 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:18:30,667 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 08:18:30,667 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 08:18:30,667 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,667 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 08:18:30,667 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 08:18:30,667 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,667 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 08:18:30,667 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:30,667 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:18:30,667 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,668 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:18:30,669 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,669 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:18:30,669 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:18:30,670 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,670 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:18:30,671 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:18:30,671 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:30,671 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:18:30,671 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:18:30,671 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,671 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:18:30,671 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 08:18:30,671 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 08:18:30,671 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:18:30,671 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,671 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 08:18:30,671 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,671 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:30,671 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 08:18:30,671 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 08:18:30,672 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 08:18:30,672 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 08:18:30,672 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,672 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 08:18:30,672 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:30,672 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 08:18:30,672 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:18:30,672 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 08:18:30,672 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,672 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 08:18:30,672 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 08:18:30,672 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 08:18:30,674 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:30,674 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:30,674 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:30,674 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:30,674 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:30,674 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:30,674 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:30,674 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 08:18:30,675 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:30,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-01-21 08:18:30,676 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:30,676 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-01-21 08:18:30,676 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 08:18:30,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1787616507, now seen corresponding path program 1 times [2018-01-21 08:18:30,676 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:30,677 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,677 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:30,677 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,677 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:18:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:18:30,703 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 08:18:30,708 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:18:30,712 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 08:18:30,713 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 08:18:30,713 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 08:18:30,713 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 08:18:30,716 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:30,716 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:30,716 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:30,716 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:30,716 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:30,717 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:30,717 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:30,717 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_moveErr0EnsuresViolation======== [2018-01-21 08:18:30,717 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:30,719 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:30,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-01-21 08:18:30,720 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:30,721 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, 1] [2018-01-21 08:18:30,721 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_moveErr0EnsuresViolation]=== [2018-01-21 08:18:30,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1324071658, now seen corresponding path program 1 times [2018-01-21 08:18:30,721 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:30,722 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,722 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:30,722 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,722 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:30,732 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:30,820 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 08:18:30,821 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:30,821 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:18:30,821 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:30,821 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:30,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:30,822 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:30,822 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:30,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:30,846 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:30,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:30,847 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-01-21 08:18:30,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:30,847 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:30,848 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:30,848 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 08:18:30,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:30,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:30,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:30,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-01-21 08:18:30,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:30,849 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:30,849 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:30,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:30,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:30,851 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:30,851 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:30,851 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:30,851 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:30,852 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:30,852 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:30,852 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:30,852 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_addErr0EnsuresViolation======== [2018-01-21 08:18:30,852 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:30,853 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:30,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 08:18:30,855 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:30,855 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 08:18:30,855 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_addErr0EnsuresViolation]=== [2018-01-21 08:18:30,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1266152581, now seen corresponding path program 1 times [2018-01-21 08:18:30,855 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:30,856 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,856 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:30,856 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,856 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:30,864 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:30,916 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 08:18:30,916 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:30,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:18:30,916 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:30,916 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:30,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:30,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:30,917 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:30,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:30,939 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:30,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:30,940 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-01-21 08:18:30,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:30,940 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:30,940 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:30,941 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 08:18:30,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:30,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:30,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:30,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:30,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 08:18:30,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:30,941 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:30,942 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:30,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:30,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:30,943 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:30,943 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:30,943 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:30,943 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:30,944 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:30,944 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:30,944 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:30,944 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 08:18:30,944 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:30,945 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:30,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 08:18:30,946 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:30,946 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:18:30,946 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 08:18:30,946 INFO L82 PathProgramCache]: Analyzing trace with hash -574987241, now seen corresponding path program 1 times [2018-01-21 08:18:30,946 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:30,947 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,947 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:30,947 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:30,947 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:30,954 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:18:31,016 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:31,016 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:18:31,016 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:31,016 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:31,016 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:31,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:31,017 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:31,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:31,043 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:31,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:31,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-21 08:18:31,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:31,043 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:31,043 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:31,044 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 08:18:31,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:31,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:31,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:31,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:31,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 08:18:31,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:31,045 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:31,045 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:31,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:31,046 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:31,047 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:31,047 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:31,047 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:31,047 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:31,047 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:31,047 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:31,047 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_insertErr0EnsuresViolation======== [2018-01-21 08:18:31,047 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-21 08:18:31,054 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:31,054 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 08:18:31,054 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_insertErr0EnsuresViolation]=== [2018-01-21 08:18:31,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1296879942, now seen corresponding path program 1 times [2018-01-21 08:18:31,055 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:31,055 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:31,056 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:31,056 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:31,056 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:31,063 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:31,129 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 08:18:31,129 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:31,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:18:31,130 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:31,130 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:31,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:31,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:31,131 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:31,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:31,154 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:31,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:31,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-21 08:18:31,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:31,155 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:31,155 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:31,155 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 08:18:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:31,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:31,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:31,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-21 08:18:31,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:31,156 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:31,156 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:31,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:31,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:31,158 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:18:31,158 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:18:31,158 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:18:31,158 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:18:31,158 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:18:31,158 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:18:31,158 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:18:31,158 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_seek_maxErr0EnsuresViolation======== [2018-01-21 08:18:31,158 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:18:31,160 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:18:31,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-21 08:18:31,161 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:18:31,161 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] [2018-01-21 08:18:31,161 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_seek_maxErr0EnsuresViolation]=== [2018-01-21 08:18:31,161 INFO L82 PathProgramCache]: Analyzing trace with hash -779976669, now seen corresponding path program 1 times [2018-01-21 08:18:31,162 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:18:31,162 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:31,163 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:18:31,163 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:18:31,163 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:18:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:18:31,168 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:18:31,222 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 08:18:31,222 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:18:31,222 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:18:31,222 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:18:31,223 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:18:31,223 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:18:31,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:18:31,223 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:18:31,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:18:31,247 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 08:18:31,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:18:31,248 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-01-21 08:18:31,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:18:31,248 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:18:31,248 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:18:31,249 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 08:18:31,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:18:31,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:18:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:18:31,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:18:31,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-01-21 08:18:31,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:18:31,249 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:18:31,249 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:18:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:18:31,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:18:31,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 08:18:31 BoogieIcfgContainer [2018-01-21 08:18:31,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 08:18:31,253 INFO L168 Benchmark]: Toolchain (without parser) took 3494.49 ms. Allocated memory was 303.6 MB in the beginning and 516.4 MB in the end (delta: 212.9 MB). Free memory was 260.7 MB in the beginning and 456.9 MB in the end (delta: -196.2 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. [2018-01-21 08:18:31,254 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 303.6 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 08:18:31,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.74 ms. Allocated memory is still 303.6 MB. Free memory was 260.7 MB in the beginning and 248.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-01-21 08:18:31,254 INFO L168 Benchmark]: Boogie Preprocessor took 43.52 ms. Allocated memory is still 303.6 MB. Free memory was 248.6 MB in the beginning and 246.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 08:18:31,254 INFO L168 Benchmark]: RCFGBuilder took 518.10 ms. Allocated memory is still 303.6 MB. Free memory was 246.6 MB in the beginning and 211.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. [2018-01-21 08:18:31,255 INFO L168 Benchmark]: TraceAbstraction took 2671.42 ms. Allocated memory was 303.6 MB in the beginning and 516.4 MB in the end (delta: 212.9 MB). Free memory was 211.6 MB in the beginning and 456.9 MB in the end (delta: -245.3 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 08:18:31,256 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 303.6 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 252.74 ms. Allocated memory is still 303.6 MB. Free memory was 260.7 MB in the beginning and 248.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.52 ms. Allocated memory is still 303.6 MB. Free memory was 248.6 MB in the beginning and 246.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 518.10 ms. Allocated memory is still 303.6 MB. Free memory was 246.6 MB in the beginning and 211.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2671.42 ms. Allocated memory was 303.6 MB in the beginning and 516.4 MB in the end (delta: 212.9 MB). Free memory was 211.6 MB in the beginning and 456.9 MB in the end (delta: -245.3 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# * 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 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.6s 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, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 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 14 procedures, 139 locations, 14 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, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 3444 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: 707]: 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 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.2s 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, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 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 14 procedures, 139 locations, 14 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, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 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: 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 14 procedures, 139 locations, 14 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: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 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, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 719]: 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 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.2s 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, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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: 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 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 16 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, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 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 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.2s 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, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 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 14 procedures, 139 locations, 14 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: 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 14 procedures, 139 locations, 14 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, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 6825 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 14 procedures, 139 locations, 14 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 14 procedures, 139 locations, 14 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 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 16 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 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.0s 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 2736 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: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: 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-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_08-18-31-269.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_08-18-31-269.csv Received shutdown request...