java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf -i ../../../trunk/examples/svcomp/memsafety/test-0137_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 02:52:24,141 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 02:52:24,143 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 02:52:24,160 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 02:52:24,161 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 02:52:24,162 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 02:52:24,163 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 02:52:24,164 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 02:52:24,166 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 02:52:24,167 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 02:52:24,168 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 02:52:24,168 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 02:52:24,169 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 02:52:24,171 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 02:52:24,172 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 02:52:24,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 02:52:24,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 02:52:24,179 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 02:52:24,180 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 02:52:24,182 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 02:52:24,184 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 02:52:24,189 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 02:52:24,190 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 02:52:24,190 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf [2018-01-21 02:52:24,200 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 02:52:24,200 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 02:52:24,201 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 02:52:24,201 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 02:52:24,202 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 02:52:24,202 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 02:52:24,202 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 02:52:24,202 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 02:52:24,202 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 02:52:24,203 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 02:52:24,203 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 02:52:24,203 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 02:52:24,203 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 02:52:24,203 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 02:52:24,204 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 02:52:24,204 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 02:52:24,204 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 02:52:24,204 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 02:52:24,204 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 02:52:24,204 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 02:52:24,205 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 02:52:24,205 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 02:52:24,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 02:52:24,205 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 02:52:24,205 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 02:52:24,206 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 02:52:24,206 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 02:52:24,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 02:52:24,206 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 02:52:24,206 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 02:52:24,206 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 02:52:24,207 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 02:52:24,207 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 02:52:24,207 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 02:52:24,207 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 02:52:24,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 02:52:24,207 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 02:52:24,208 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 02:52:24,208 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 02:52:24,209 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 02:52:24,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 02:52:24,280 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 02:52:24,286 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 02:52:24,287 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 02:52:24,288 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 02:52:24,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0137_false-valid-deref.i [2018-01-21 02:52:24,507 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 02:52:24,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 02:52:24,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 02:52:24,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 02:52:24,523 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 02:52:24,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 02:52:24" (1/1) ... [2018-01-21 02:52:24,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d01f4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:52:24, skipping insertion in model container [2018-01-21 02:52:24,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 02:52:24" (1/1) ... [2018-01-21 02:52:24,549 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 02:52:24,601 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 02:52:24,767 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 02:52:24,791 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 02:52:24,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:52:24 WrapperNode [2018-01-21 02:52:24,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 02:52:24,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 02:52:24,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 02:52:24,807 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 02:52:24,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:52:24" (1/1) ... [2018-01-21 02:52:24,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:52:24" (1/1) ... [2018-01-21 02:52:24,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:52:24" (1/1) ... [2018-01-21 02:52:24,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:52:24" (1/1) ... [2018-01-21 02:52:24,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:52:24" (1/1) ... [2018-01-21 02:52:24,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:52:24" (1/1) ... [2018-01-21 02:52:24,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:52:24" (1/1) ... [2018-01-21 02:52:24,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 02:52:24,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 02:52:24,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 02:52:24,873 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 02:52:24,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:52:24" (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 02:52:24,926 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 02:52:24,927 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 02:52:24,927 INFO L136 BoogieDeclarations]: Found implementation of procedure list_empty [2018-01-21 02:52:24,927 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-01-21 02:52:24,927 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-01-21 02:52:24,927 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-01-21 02:52:24,927 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-01-21 02:52:24,927 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-01-21 02:52:24,927 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-01-21 02:52:24,927 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-01-21 02:52:24,928 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-01-21 02:52:24,928 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_seek_max [2018-01-21 02:52:24,928 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-01-21 02:52:24,928 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 02:52:24,928 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 02:52:24,928 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 02:52:24,929 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 02:52:24,929 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 02:52:24,929 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 02:52:24,929 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 02:52:24,929 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 02:52:24,929 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 02:52:24,930 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 02:52:24,930 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 02:52:24,930 INFO L128 BoogieDeclarations]: Found specification of procedure list_empty [2018-01-21 02:52:24,930 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-01-21 02:52:24,930 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-01-21 02:52:24,930 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-01-21 02:52:24,931 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-01-21 02:52:24,931 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-01-21 02:52:24,931 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-01-21 02:52:24,931 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-01-21 02:52:24,931 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-01-21 02:52:24,931 INFO L128 BoogieDeclarations]: Found specification of procedure gl_seek_max [2018-01-21 02:52:24,931 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-01-21 02:52:24,932 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 02:52:24,932 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 02:52:24,932 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 02:52:25,524 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 02:52:25,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 02:52:25 BoogieIcfgContainer [2018-01-21 02:52:25,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 02:52:25,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 02:52:25,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 02:52:25,528 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 02:52:25,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 02:52:24" (1/3) ... [2018-01-21 02:52:25,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee6d631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 02:52:25, skipping insertion in model container [2018-01-21 02:52:25,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 02:52:24" (2/3) ... [2018-01-21 02:52:25,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee6d631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 02:52:25, skipping insertion in model container [2018-01-21 02:52:25,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 02:52:25" (3/3) ... [2018-01-21 02:52:25,533 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0137_false-valid-deref.i [2018-01-21 02:52:25,540 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 02:52:25,546 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2018-01-21 02:52:25,596 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:25,596 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:25,596 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:25,596 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:25,596 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:25,597 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:25,597 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:25,597 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_addErr0EnsuresViolation======== [2018-01-21 02:52:25,598 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:25,623 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 02:52:25,632 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:25,633 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 02:52:25,634 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_addErr0EnsuresViolation]=== [2018-01-21 02:52:25,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1496874194, now seen corresponding path program 1 times [2018-01-21 02:52:25,642 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:25,706 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:25,706 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:25,706 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:25,706 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:25,794 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:26,032 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 02:52:26,035 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:26,035 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 02:52:26,035 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:26,039 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:26,053 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:26,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:26,056 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:26,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:26,120 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:26,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:26,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-21 02:52:26,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:26,127 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:26,127 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:26,132 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:26,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:26,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:26,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:26,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 02:52:26,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:26,162 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:26,162 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:26,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:26,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 02:52:26,222 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,222 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,222 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 02:52:26,222 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 02:52:26,223 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 02:52:26,223 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 02:52:26,223 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 02:52:26,223 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,223 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,223 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 02:52:26,223 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,223 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,223 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 02:52:26,224 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 02:52:26,224 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:26,224 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 02:52:26,224 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,224 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,224 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 02:52:26,224 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,224 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,224 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,224 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,224 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:26,225 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,225 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 02:52:26,225 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,225 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,225 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 02:52:26,225 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 02:52:26,225 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 02:52:26,225 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 02:52:26,225 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 02:52:26,225 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,225 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,226 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,226 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,226 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 02:52:26,226 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,226 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,226 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,226 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,226 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 02:52:26,227 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 02:52:26,227 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,227 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,227 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 02:52:26,227 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,227 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 02:52:26,227 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 02:52:26,228 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,228 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,228 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 02:52:26,228 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,228 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 02:52:26,228 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 02:52:26,228 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,229 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 02:52:26,229 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 02:52:26,229 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,229 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,229 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:26,229 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 02:52:26,229 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:26,230 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,230 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 02:52:26,230 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,230 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,230 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 02:52:26,230 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 02:52:26,230 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:26,230 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,231 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,231 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:26,231 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 02:52:26,231 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,231 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 02:52:26,231 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,231 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,231 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 02:52:26,232 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,232 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,232 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,232 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,232 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,232 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,232 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 02:52:26,233 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,233 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,233 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,233 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 02:52:26,233 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 02:52:26,233 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,233 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,233 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 02:52:26,234 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,234 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,234 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 02:52:26,234 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 02:52:26,234 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 02:52:26,234 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,234 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 02:52:26,234 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,234 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,235 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 02:52:26,235 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,235 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 02:52:26,235 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,235 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,235 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 02:52:26,235 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,235 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 02:52:26,236 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 02:52:26,236 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:26,236 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:26,236 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 02:52:26,236 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,236 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,236 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 02:52:26,236 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 02:52:26,237 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 02:52:26,237 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,237 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 02:52:26,237 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,237 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:26,237 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 02:52:26,237 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 02:52:26,238 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 02:52:26,238 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 02:52:26,238 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,238 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 02:52:26,238 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:26,238 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:26,238 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 02:52:26,238 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 02:52:26,239 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,239 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:26,239 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,239 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,244 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:26,244 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:26,244 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:26,244 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:26,244 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:26,245 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:26,245 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:26,245 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == val_from_nodeErr0EnsuresViolation======== [2018-01-21 02:52:26,245 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-01-21 02:52:26,252 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:26,252 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 02:52:26,252 INFO L371 AbstractCegarLoop]: === Iteration 1 === [val_from_nodeErr0EnsuresViolation]=== [2018-01-21 02:52:26,253 INFO L82 PathProgramCache]: Analyzing trace with hash -960956095, now seen corresponding path program 1 times [2018-01-21 02:52:26,253 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:26,254 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:26,254 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:26,254 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:26,254 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:26,277 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:26,383 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 02:52:26,384 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:26,384 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 02:52:26,384 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:26,385 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:26,385 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:26,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:26,385 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:26,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:26,439 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:26,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:26,440 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-01-21 02:52:26,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:26,440 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:26,440 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:26,441 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 02:52:26,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:26,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:26,442 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-01-21 02:52:26,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:26,442 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:26,442 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:26,443 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:26,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:26,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 02:52:26,482 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,482 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,482 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 02:52:26,482 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 02:52:26,482 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 02:52:26,483 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 02:52:26,483 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 02:52:26,483 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,483 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,483 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 02:52:26,483 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,483 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,483 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 02:52:26,483 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 02:52:26,483 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:26,483 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 02:52:26,483 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 02:52:26,484 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 02:52:26,484 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 02:52:26,485 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 02:52:26,485 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 02:52:26,486 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,486 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,486 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 02:52:26,486 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,486 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 02:52:26,486 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 02:52:26,486 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,486 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,486 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 02:52:26,486 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,486 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 02:52:26,486 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 02:52:26,486 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,487 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 02:52:26,487 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 02:52:26,487 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,487 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,487 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:26,487 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 02:52:26,487 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:26,487 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,487 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 02:52:26,487 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,487 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,487 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 02:52:26,487 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,488 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,489 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,489 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,489 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 02:52:26,489 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,489 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,489 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,489 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 02:52:26,489 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 02:52:26,489 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,489 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,489 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 02:52:26,489 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,489 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,490 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 02:52:26,490 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 02:52:26,490 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 02:52:26,490 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,490 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 02:52:26,490 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,490 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,490 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 02:52:26,490 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,490 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 02:52:26,491 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,491 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,491 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 02:52:26,491 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,491 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 02:52:26,491 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 02:52:26,491 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:26,491 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:26,491 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 02:52:26,491 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,492 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,492 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 02:52:26,492 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 02:52:26,492 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 02:52:26,492 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,492 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 02:52:26,492 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,492 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:26,492 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 02:52:26,492 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 02:52:26,492 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 02:52:26,493 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 02:52:26,493 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,493 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 02:52:26,493 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:26,493 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:26,493 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 02:52:26,493 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 02:52:26,493 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,493 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:26,493 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,493 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,495 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:26,495 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:26,496 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:26,496 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:26,496 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:26,496 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:26,496 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:26,496 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_sortErr0EnsuresViolation======== [2018-01-21 02:52:26,496 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:26,498 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:26,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-21 02:52:26,498 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:26,499 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 02:52:26,499 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_sortErr0EnsuresViolation]=== [2018-01-21 02:52:26,499 INFO L82 PathProgramCache]: Analyzing trace with hash -95720393, now seen corresponding path program 1 times [2018-01-21 02:52:26,499 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:26,500 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:26,500 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:26,500 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:26,500 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:26,513 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 02:52:26,581 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:26,581 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 02:52:26,581 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:26,581 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:26,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:26,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:26,582 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:26,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:26,625 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:26,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:26,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-21 02:52:26,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:26,626 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:26,626 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:26,627 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 02:52:26,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:26,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:26,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:26,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-21 02:52:26,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:26,629 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:26,629 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:26,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:26,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:26,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 02:52:26,664 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,664 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,664 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 02:52:26,664 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 02:52:26,664 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 02:52:26,664 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 02:52:26,664 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 02:52:26,664 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,664 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,665 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 02:52:26,665 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,665 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,665 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 02:52:26,665 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 02:52:26,665 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:26,665 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 02:52:26,665 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,665 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,666 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 02:52:26,666 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,666 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,666 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,666 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,666 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:26,666 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,666 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 02:52:26,666 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,666 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,666 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 02:52:26,666 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 02:52:26,666 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 02:52:26,666 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,667 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,668 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 02:52:26,668 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,668 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 02:52:26,668 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 02:52:26,668 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,668 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,668 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 02:52:26,668 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,668 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 02:52:26,668 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 02:52:26,668 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,668 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 02:52:26,668 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 02:52:26,668 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,669 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,669 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:26,669 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 02:52:26,669 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:26,669 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,669 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 02:52:26,669 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,669 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,669 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 02:52:26,669 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 02:52:26,669 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:26,669 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,669 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 02:52:26,670 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 02:52:26,670 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,670 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 02:52:26,671 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,671 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,671 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,671 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 02:52:26,671 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 02:52:26,671 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,671 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,671 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 02:52:26,671 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,671 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,671 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 02:52:26,671 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 02:52:26,671 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:26,672 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:26,673 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 02:52:26,673 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,673 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,673 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 02:52:26,673 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 02:52:26,673 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 02:52:26,673 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,673 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 02:52:26,673 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,673 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:26,673 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 02:52:26,673 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 02:52:26,673 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 02:52:26,673 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 02:52:26,674 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,674 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 02:52:26,674 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:26,674 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:26,674 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 02:52:26,674 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 02:52:26,674 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,674 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:26,674 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,674 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,676 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:26,676 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:26,677 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:26,677 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:26,677 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:26,677 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:26,677 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:26,677 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_emptyErr0EnsuresViolation======== [2018-01-21 02:52:26,677 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 02:52:26,680 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:26,681 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 02:52:26,681 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_emptyErr0EnsuresViolation]=== [2018-01-21 02:52:26,681 INFO L82 PathProgramCache]: Analyzing trace with hash -2104114177, now seen corresponding path program 1 times [2018-01-21 02:52:26,681 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:26,682 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:26,682 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:26,682 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:26,682 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:26,695 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:26,752 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 02:52:26,753 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:26,753 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 02:52:26,753 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:26,754 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:26,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:26,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:26,754 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:26,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:26,797 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:26,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:26,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-21 02:52:26,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:26,797 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:26,797 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:26,798 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 02:52:26,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:26,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:26,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:26,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-01-21 02:52:26,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:26,799 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:26,799 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:26,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:26,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 02:52:26,848 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,848 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,848 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 02:52:26,848 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 02:52:26,848 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 02:52:26,848 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 02:52:26,849 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 02:52:26,849 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:26,849 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,849 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 02:52:26,849 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,849 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:26,849 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 02:52:26,849 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 02:52:26,849 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:26,849 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 02:52:26,849 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,849 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 02:52:26,850 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 02:52:26,850 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 02:52:26,851 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:26,852 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 02:52:26,852 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 02:52:26,852 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,852 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,852 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 02:52:26,852 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:26,852 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 02:52:26,852 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 02:52:26,852 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,852 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 02:52:26,852 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 02:52:26,852 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,852 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:26,852 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:26,853 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 02:52:26,853 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:26,853 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,853 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 02:52:26,853 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,853 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:26,853 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 02:52:26,853 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 02:52:26,853 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:26,853 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,853 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,853 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:26,853 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 02:52:26,853 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,854 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 02:52:26,855 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 02:52:26,855 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,855 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,855 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 02:52:26,855 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:26,855 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 02:52:26,855 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 02:52:26,855 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 02:52:26,855 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 02:52:26,855 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,855 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 02:52:26,855 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,855 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:26,855 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,856 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 02:52:26,856 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:26,856 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 02:52:26,856 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 02:52:26,857 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 02:52:26,857 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,857 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 02:52:26,857 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,857 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:26,857 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 02:52:26,857 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 02:52:26,857 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 02:52:26,857 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 02:52:26,857 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,857 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 02:52:26,857 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:26,857 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:26,857 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 02:52:26,858 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 02:52:26,858 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,858 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:26,858 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 02:52:26,858 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:26,860 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:26,860 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:26,860 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:26,860 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:26,860 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:26,860 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:26,860 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:26,860 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_delErr0EnsuresViolation======== [2018-01-21 02:52:26,861 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:26,862 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 02:52:26,864 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:26,865 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 02:52:26,865 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_delErr0EnsuresViolation]=== [2018-01-21 02:52:26,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1363924563, now seen corresponding path program 1 times [2018-01-21 02:52:26,866 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:26,866 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:26,867 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:26,867 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:26,867 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:26,881 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:26,998 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 02:52:26,999 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:26,999 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 02:52:26,999 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:27,000 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:27,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:27,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:27,001 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:27,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:27,038 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:27,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:27,039 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-01-21 02:52:27,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:27,039 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:27,039 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:27,040 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 02:52:27,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:27,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:27,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:27,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-01-21 02:52:27,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:27,041 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:27,041 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:27,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:27,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 02:52:27,091 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,091 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,091 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 02:52:27,091 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 02:52:27,091 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 02:52:27,091 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 02:52:27,091 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 02:52:27,091 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,091 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,091 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 02:52:27,091 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,091 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 02:52:27,092 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 02:52:27,092 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,092 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 02:52:27,093 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 02:52:27,093 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,093 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,094 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 02:52:27,095 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 02:52:27,095 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,095 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 02:52:27,095 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 02:52:27,095 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,095 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,095 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:27,095 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 02:52:27,095 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:27,095 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,095 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 02:52:27,095 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,095 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,095 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 02:52:27,095 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,096 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,097 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 02:52:27,097 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,097 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,097 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,097 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 02:52:27,097 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 02:52:27,097 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,097 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,097 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 02:52:27,097 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,097 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,097 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 02:52:27,097 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 02:52:27,097 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:27,098 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:27,099 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 02:52:27,099 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,099 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,099 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 02:52:27,099 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 02:52:27,099 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 02:52:27,099 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,099 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 02:52:27,099 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,099 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:27,099 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 02:52:27,099 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 02:52:27,099 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 02:52:27,099 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 02:52:27,100 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,100 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 02:52:27,100 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:27,100 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:27,100 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 02:52:27,100 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 02:52:27,100 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,100 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:27,100 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,100 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,102 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:27,102 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:27,102 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:27,102 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:27,102 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:27,102 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:27,102 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:27,102 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 02:52:27,102 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:27,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 02:52:27,105 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:27,105 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 02:52:27,105 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 02:52:27,105 INFO L82 PathProgramCache]: Analyzing trace with hash 129010467, now seen corresponding path program 1 times [2018-01-21 02:52:27,105 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:27,106 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,107 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:27,107 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,107 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:27,117 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:27,222 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 02:52:27,222 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:27,222 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 02:52:27,222 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:27,222 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:27,223 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:27,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:27,223 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:27,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:27,272 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:27,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:27,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-21 02:52:27,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:27,273 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:27,274 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:27,274 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 02:52:27,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:27,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:27,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 02:52:27,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:27,275 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:27,276 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:27,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:27,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 02:52:27,334 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 02:52:27,335 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 02:52:27,335 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 02:52:27,336 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 02:52:27,337 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 02:52:27,337 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 02:52:27,337 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 02:52:27,338 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,338 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:27,339 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 02:52:27,339 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,340 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 02:52:27,341 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 02:52:27,341 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,341 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,341 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 02:52:27,341 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,341 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,341 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 02:52:27,341 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 02:52:27,341 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 02:52:27,341 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,341 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 02:52:27,341 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,341 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,341 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 02:52:27,341 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 02:52:27,342 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,343 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 02:52:27,343 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,343 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:27,343 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 02:52:27,343 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 02:52:27,343 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 02:52:27,343 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 02:52:27,343 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,343 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 02:52:27,343 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:27,343 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:27,343 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 02:52:27,343 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 02:52:27,343 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,343 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:27,344 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,344 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,345 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:27,345 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:27,345 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:27,345 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:27,345 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:27,345 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:27,345 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:27,346 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_readErr0EnsuresViolation======== [2018-01-21 02:52:27,346 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:27,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 02:52:27,348 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:27,348 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 02:52:27,348 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_readErr0EnsuresViolation]=== [2018-01-21 02:52:27,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1502029285, now seen corresponding path program 1 times [2018-01-21 02:52:27,348 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:27,349 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,349 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:27,349 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,349 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:27,356 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 02:52:27,397 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:27,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 02:52:27,398 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:27,398 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:27,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:27,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:27,398 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:27,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:27,424 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:27,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:27,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-01-21 02:52:27,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:27,425 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:27,425 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:27,426 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 02:52:27,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:27,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:27,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-01-21 02:52:27,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:27,427 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:27,427 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:27,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:27,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 02:52:27,454 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,454 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,454 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 02:52:27,454 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 02:52:27,454 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 02:52:27,454 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 02:52:27,454 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 02:52:27,454 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,454 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,454 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 02:52:27,454 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,455 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 02:52:27,455 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 02:52:27,456 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,456 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,457 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 02:52:27,457 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 02:52:27,457 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,458 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,459 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:27,459 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 02:52:27,459 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,459 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 02:52:27,459 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,459 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,459 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 02:52:27,459 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,459 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,459 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,459 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,459 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,460 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,460 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 02:52:27,460 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,460 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,460 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,460 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 02:52:27,460 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 02:52:27,460 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,460 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,460 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,461 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 02:52:27,461 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,461 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,461 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 02:52:27,461 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 02:52:27,462 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 02:52:27,462 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,462 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:27,462 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 02:52:27,463 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 02:52:27,463 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 02:52:27,463 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 02:52:27,463 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,463 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 02:52:27,463 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:27,463 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:27,463 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 02:52:27,463 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 02:52:27,463 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,463 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:27,463 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,463 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,465 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:27,465 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:27,465 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:27,465 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:27,465 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:27,465 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:27,465 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:27,465 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_destroyErr0EnsuresViolation======== [2018-01-21 02:52:27,465 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 02:52:27,468 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:27,468 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 02:52:27,468 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_destroyErr0EnsuresViolation]=== [2018-01-21 02:52:27,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1862824386, now seen corresponding path program 1 times [2018-01-21 02:52:27,469 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:27,470 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,470 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:27,470 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,470 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:27,479 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:27,540 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 02:52:27,541 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:27,541 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 02:52:27,541 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:27,541 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:27,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:27,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:27,542 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:27,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:27,575 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:27,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:27,576 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 02:52:27,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:27,576 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:27,576 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:27,577 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 02:52:27,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:27,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:27,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:27,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 02:52:27,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:27,578 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:27,578 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:27,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:27,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:27,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 02:52:27,626 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,626 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,627 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 02:52:27,628 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 02:52:27,628 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 02:52:27,629 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 02:52:27,630 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 02:52:27,630 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,630 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:27,630 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,630 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 02:52:27,631 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 02:52:27,632 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,632 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,632 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,632 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,632 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 02:52:27,632 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 02:52:27,632 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,632 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,632 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,632 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 02:52:27,632 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 02:52:27,632 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,632 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,632 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 02:52:27,632 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 02:52:27,633 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 02:52:27,633 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 02:52:27,633 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 02:52:27,633 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 02:52:27,633 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,633 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 02:52:27,633 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,633 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 02:52:27,633 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 02:52:27,633 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,633 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 02:52:27,633 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,633 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 02:52:27,634 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 02:52:27,634 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,634 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 02:52:27,634 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 02:52:27,634 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:27,634 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 02:52:27,634 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 02:52:27,634 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,634 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 02:52:27,634 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 02:52:27,635 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 02:52:27,635 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 02:52:27,635 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,635 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 02:52:27,635 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,635 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:27,635 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 02:52:27,635 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 02:52:27,635 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 02:52:27,635 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 02:52:27,636 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,636 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 02:52:27,636 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:27,636 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 02:52:27,636 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 02:52:27,636 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 02:52:27,636 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,636 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 02:52:27,636 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 02:52:27,636 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 02:52:27,638 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:27,638 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:27,638 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:27,638 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:27,639 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:27,639 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:27,639 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:27,639 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 02:52:27,639 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:27,641 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-01-21 02:52:27,641 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:27,641 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-01-21 02:52:27,641 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 02:52:27,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1787616507, now seen corresponding path program 1 times [2018-01-21 02:52:27,642 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:27,643 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,643 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:27,643 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,643 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 02:52:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 02:52:27,675 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 02:52:27,681 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 02:52:27,686 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 02:52:27,687 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 02:52:27,687 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 02:52:27,687 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 02:52:27,690 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:27,690 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:27,691 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:27,691 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:27,691 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:27,691 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:27,691 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:27,691 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_moveErr0EnsuresViolation======== [2018-01-21 02:52:27,691 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:27,692 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:27,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-01-21 02:52:27,694 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:27,694 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 02:52:27,694 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_moveErr0EnsuresViolation]=== [2018-01-21 02:52:27,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1324071658, now seen corresponding path program 1 times [2018-01-21 02:52:27,695 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:27,695 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,696 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:27,696 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,696 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:27,706 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:27,810 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 02:52:27,810 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:27,810 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 02:52:27,811 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:27,811 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:27,811 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:27,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:27,812 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:27,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:27,835 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:27,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:27,836 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-01-21 02:52:27,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:27,836 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:27,836 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:27,837 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 02:52:27,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:27,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:27,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:27,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-01-21 02:52:27,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:27,837 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:27,837 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:27,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:27,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:27,839 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:27,839 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:27,839 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:27,839 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:27,839 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:27,839 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:27,839 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:27,839 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_addErr0EnsuresViolation======== [2018-01-21 02:52:27,839 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 02:52:27,842 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:27,842 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 02:52:27,842 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_addErr0EnsuresViolation]=== [2018-01-21 02:52:27,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1266152581, now seen corresponding path program 1 times [2018-01-21 02:52:27,842 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:27,843 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,843 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:27,843 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,843 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:27,853 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:27,915 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 02:52:27,915 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:27,915 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 02:52:27,915 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:27,916 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:27,916 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:27,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:27,916 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:27,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:27,947 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:27,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:27,949 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-01-21 02:52:27,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:27,950 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:27,950 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:27,950 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 02:52:27,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:27,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:27,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 02:52:27,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:27,952 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:27,952 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:27,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:27,954 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:27,954 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:27,954 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:27,954 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:27,954 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:27,955 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:27,955 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:27,955 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 02:52:27,955 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:27,957 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:27,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 02:52:27,958 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:27,958 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 02:52:27,958 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 02:52:27,959 INFO L82 PathProgramCache]: Analyzing trace with hash -574987241, now seen corresponding path program 1 times [2018-01-21 02:52:27,959 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:27,960 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,960 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:27,960 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:27,960 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:27,972 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:28,031 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 02:52:28,031 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:28,031 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 02:52:28,031 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:28,032 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:28,032 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:28,032 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:28,032 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:28,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:28,063 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:28,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:28,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-21 02:52:28,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:28,064 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:28,064 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:28,064 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 02:52:28,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:28,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:28,065 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 02:52:28,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:28,065 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:28,066 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:28,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:28,067 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:28,067 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:28,068 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:28,068 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:28,068 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:28,068 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:28,068 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:28,068 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_insertErr0EnsuresViolation======== [2018-01-21 02:52:28,068 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:28,070 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:28,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-21 02:52:28,071 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:28,071 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 02:52:28,071 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_insertErr0EnsuresViolation]=== [2018-01-21 02:52:28,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1296879942, now seen corresponding path program 1 times [2018-01-21 02:52:28,071 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:28,072 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:28,072 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:28,072 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:28,072 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:28,084 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:28,326 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 02:52:28,326 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:28,326 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 02:52:28,326 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:28,326 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:28,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:28,327 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:28,327 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:28,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:28,371 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:28,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:28,372 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-21 02:52:28,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:28,372 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:28,372 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:28,373 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:28,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:28,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:28,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-21 02:52:28,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:28,374 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:28,374 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:28,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:28,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:28,375 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 02:52:28,376 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 02:52:28,376 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 02:52:28,376 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 02:52:28,376 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 02:52:28,376 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 02:52:28,376 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 02:52:28,376 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_seek_maxErr0EnsuresViolation======== [2018-01-21 02:52:28,376 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 02:52:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 02:52:28,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-21 02:52:28,379 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 02:52:28,380 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 02:52:28,380 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_seek_maxErr0EnsuresViolation]=== [2018-01-21 02:52:28,380 INFO L82 PathProgramCache]: Analyzing trace with hash -779976669, now seen corresponding path program 1 times [2018-01-21 02:52:28,380 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 02:52:28,381 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:28,381 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 02:52:28,381 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 02:52:28,381 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 02:52:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 02:52:28,389 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 02:52:28,535 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 02:52:28,536 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 02:52:28,536 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 02:52:28,536 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 02:52:28,536 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 02:52:28,536 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 02:52:28,536 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:28,537 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 02:52:28,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 02:52:28,557 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 02:52:28,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 02:52:28,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-01-21 02:52:28,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 02:52:28,558 INFO L225 Difference]: With dead ends: 139 [2018-01-21 02:52:28,558 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 02:52:28,558 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 02:52:28,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 02:52:28,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 02:52:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 02:52:28,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 02:52:28,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-01-21 02:52:28,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 02:52:28,559 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 02:52:28,559 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 02:52:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 02:52:28,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 02:52:28,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 02:52:28 BoogieIcfgContainer [2018-01-21 02:52:28,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 02:52:28,563 INFO L168 Benchmark]: Toolchain (without parser) took 4055.36 ms. Allocated memory was 306.2 MB in the beginning and 511.2 MB in the end (delta: 205.0 MB). Free memory was 261.3 MB in the beginning and 436.5 MB in the end (delta: -175.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 5.3 GB. [2018-01-21 02:52:28,564 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 306.2 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 02:52:28,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.29 ms. Allocated memory is still 306.2 MB. Free memory was 261.3 MB in the beginning and 249.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-01-21 02:52:28,565 INFO L168 Benchmark]: Boogie Preprocessor took 65.65 ms. Allocated memory is still 306.2 MB. Free memory was 249.2 MB in the beginning and 247.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 02:52:28,565 INFO L168 Benchmark]: RCFGBuilder took 652.23 ms. Allocated memory is still 306.2 MB. Free memory was 247.2 MB in the beginning and 212.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. [2018-01-21 02:52:28,566 INFO L168 Benchmark]: TraceAbstraction took 3036.72 ms. Allocated memory was 306.2 MB in the beginning and 511.2 MB in the end (delta: 205.0 MB). Free memory was 212.3 MB in the beginning and 436.5 MB in the end (delta: -224.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 02:52:28,567 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 306.2 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 291.29 ms. Allocated memory is still 306.2 MB. Free memory was 261.3 MB in the beginning and 249.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 65.65 ms. Allocated memory is still 306.2 MB. Free memory was 249.2 MB in the beginning and 247.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 652.23 ms. Allocated memory is still 306.2 MB. Free memory was 247.2 MB in the beginning and 212.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3036.72 ms. Allocated memory was 306.2 MB in the beginning and 511.2 MB in the end (delta: 205.0 MB). Free memory was 212.3 MB in the beginning and 436.5 MB in the end (delta: -224.2 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: __list_addErr0EnsuresViolation CFG has 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 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, 0.1s 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, 0.1s 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, 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, 0.2s 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, 0.1s 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, 0.1s 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, 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, 0.1s 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, 0.1s 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, 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, 0.3s 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, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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, 0.1s 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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_mostprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_02-52-28-579.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_02-52-28-579.csv Received shutdown request...