java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf -i ../../../trunk/examples/svcomp/memsafety/test-0137_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 00:31:14,124 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 00:31:14,126 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 00:31:14,141 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 00:31:14,142 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 00:31:14,143 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 00:31:14,144 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 00:31:14,146 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 00:31:14,148 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 00:31:14,149 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 00:31:14,149 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-01-21 00:31:14,170 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf [2018-01-21 00:31:14,201 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 00:31:14,202 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 00:31:14,202 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 00:31:14,203 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 00:31:14,203 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 00:31:14,203 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-21 00:31:14,203 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 00:31:14,203 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 00:31:14,204 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 00:31:14,204 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 00:31:14,205 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 00:31:14,205 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 00:31:14,205 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 00:31:14,205 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 00:31:14,205 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 00:31:14,206 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 00:31:14,206 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 00:31:14,206 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 00:31:14,206 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 00:31:14,206 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 00:31:14,207 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 00:31:14,207 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 00:31:14,207 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 00:31:14,207 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 00:31:14,207 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 00:31:14,208 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 00:31:14,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 00:31:14,208 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 00:31:14,208 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 00:31:14,208 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 00:31:14,209 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 00:31:14,209 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 00:31:14,209 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 00:31:14,209 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 00:31:14,209 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 00:31:14,209 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 00:31:14,209 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 00:31:14,210 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 00:31:14,210 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 00:31:14,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 00:31:14,255 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 00:31:14,260 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 00:31:14,261 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 00:31:14,262 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 00:31:14,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0137_false-valid-deref.i [2018-01-21 00:31:14,430 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 00:31:14,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 00:31:14,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 00:31:14,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 00:31:14,446 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 00:31:14,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 12:31:14" (1/1) ... [2018-01-21 00:31:14,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e1729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:31:14, skipping insertion in model container [2018-01-21 00:31:14,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 12:31:14" (1/1) ... [2018-01-21 00:31:14,473 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 00:31:14,518 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 00:31:14,649 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 00:31:14,672 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 00:31:14,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:31:14 WrapperNode [2018-01-21 00:31:14,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 00:31:14,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 00:31:14,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 00:31:14,686 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 00:31:14,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:31:14" (1/1) ... [2018-01-21 00:31:14,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:31:14" (1/1) ... [2018-01-21 00:31:14,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:31:14" (1/1) ... [2018-01-21 00:31:14,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:31:14" (1/1) ... [2018-01-21 00:31:14,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:31:14" (1/1) ... [2018-01-21 00:31:14,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:31:14" (1/1) ... [2018-01-21 00:31:14,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:31:14" (1/1) ... [2018-01-21 00:31:14,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 00:31:14,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 00:31:14,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 00:31:14,730 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 00:31:14,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:31:14" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 00:31:14,775 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 00:31:14,775 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 00:31:14,775 INFO L136 BoogieDeclarations]: Found implementation of procedure list_empty [2018-01-21 00:31:14,776 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-01-21 00:31:14,776 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-01-21 00:31:14,776 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-01-21 00:31:14,776 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-01-21 00:31:14,776 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-01-21 00:31:14,776 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-01-21 00:31:14,776 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-01-21 00:31:14,777 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-01-21 00:31:14,777 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_seek_max [2018-01-21 00:31:14,777 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-01-21 00:31:14,777 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 00:31:14,777 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 00:31:14,777 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 00:31:14,778 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 00:31:14,778 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 00:31:14,778 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 00:31:14,778 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 00:31:14,778 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 00:31:14,778 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 00:31:14,779 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 00:31:14,779 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 00:31:14,779 INFO L128 BoogieDeclarations]: Found specification of procedure list_empty [2018-01-21 00:31:14,779 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-01-21 00:31:14,779 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-01-21 00:31:14,779 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-01-21 00:31:14,780 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-01-21 00:31:14,780 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-01-21 00:31:14,780 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-01-21 00:31:14,780 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-01-21 00:31:14,780 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-01-21 00:31:14,780 INFO L128 BoogieDeclarations]: Found specification of procedure gl_seek_max [2018-01-21 00:31:14,780 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-01-21 00:31:14,780 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 00:31:14,780 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 00:31:14,780 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 00:31:15,230 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 00:31:15,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 12:31:15 BoogieIcfgContainer [2018-01-21 00:31:15,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 00:31:15,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 00:31:15,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 00:31:15,235 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 00:31:15,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 12:31:14" (1/3) ... [2018-01-21 00:31:15,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5f9008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 12:31:15, skipping insertion in model container [2018-01-21 00:31:15,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 12:31:14" (2/3) ... [2018-01-21 00:31:15,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5f9008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 12:31:15, skipping insertion in model container [2018-01-21 00:31:15,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 12:31:15" (3/3) ... [2018-01-21 00:31:15,238 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0137_false-valid-deref.i [2018-01-21 00:31:15,245 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 00:31:15,252 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2018-01-21 00:31:15,294 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:15,295 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:15,295 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:15,295 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:15,295 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:15,295 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:15,295 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:15,295 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_addErr0EnsuresViolation======== [2018-01-21 00:31:15,296 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 00:31:15,323 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:15,324 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:31:15,324 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_addErr0EnsuresViolation]=== [2018-01-21 00:31:15,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1496874194, now seen corresponding path program 1 times [2018-01-21 00:31:15,330 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:15,372 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:15,373 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:15,373 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:15,373 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:15,443 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:31:15,691 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:15,691 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:31:15,691 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:15,694 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:15,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:15,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:15,706 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:15,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:15,762 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:15,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:15,764 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-21 00:31:15,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:15,769 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:15,770 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:15,774 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:15,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:15,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:15,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:15,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 00:31:15,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:15,796 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:15,796 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:15,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:15,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:31:15,866 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:15,866 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:15,866 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:31:15,866 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:31:15,867 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:31:15,867 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:31:15,867 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:31:15,867 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:15,867 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:15,867 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:31:15,868 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:15,868 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:15,868 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:31:15,868 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:31:15,868 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:15,868 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 00:31:15,868 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:15,868 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:15,869 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 00:31:15,869 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:15,869 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:15,869 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 00:31:15,869 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:15,869 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:15,869 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:15,869 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 00:31:15,870 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:15,870 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 00:31:15,870 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 00:31:15,870 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 00:31:15,870 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 00:31:15,870 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 00:31:15,870 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 00:31:15,870 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 00:31:15,870 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 00:31:15,871 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 00:31:15,871 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:15,871 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:31:15,871 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:15,871 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 00:31:15,871 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 00:31:15,871 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:15,871 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:31:15,872 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:31:15,872 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:15,872 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:15,872 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:31:15,872 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:15,872 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:31:15,872 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:31:15,872 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:15,873 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:15,873 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:31:15,873 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:15,873 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 00:31:15,873 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 00:31:15,873 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:15,873 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 00:31:15,874 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 00:31:15,874 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:15,874 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:15,874 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:15,874 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:31:15,874 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:15,874 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:15,874 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:31:15,875 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:15,875 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:15,875 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:31:15,875 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:31:15,875 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:15,875 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:31:15,875 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:31:15,875 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:15,876 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:31:15,876 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:31:15,876 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:31:15,876 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:15,876 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:15,876 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:31:15,876 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:15,876 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:15,877 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:31:15,877 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:31:15,877 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:15,877 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:31:15,877 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:31:15,877 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:15,877 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:15,877 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:31:15,878 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:31:15,878 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:31:15,878 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:31:15,878 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:15,878 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:31:15,878 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:15,878 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:31:15,879 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:31:15,879 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:31:15,879 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:31:15,879 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:15,879 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:31:15,879 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:15,879 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:15,879 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 00:31:15,879 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:15,879 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 00:31:15,880 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:15,880 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:15,880 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:31:15,880 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:15,880 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:31:15,880 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:31:15,880 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:15,880 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:15,880 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:31:15,880 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:15,880 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:15,881 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 00:31:15,881 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 00:31:15,881 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:31:15,881 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:15,881 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 00:31:15,881 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:15,881 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:15,881 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 00:31:15,882 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 00:31:15,882 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 00:31:15,882 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 00:31:15,882 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 00:31:15,882 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 00:31:15,882 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:15,882 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:15,882 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:31:15,882 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 00:31:15,882 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 00:31:15,882 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:15,882 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 00:31:15,882 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:15,887 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:15,887 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:15,887 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:15,887 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:15,887 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:15,888 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:15,888 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:15,888 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == val_from_nodeErr0EnsuresViolation======== [2018-01-21 00:31:15,888 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-01-21 00:31:15,895 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:15,895 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 00:31:15,895 INFO L371 AbstractCegarLoop]: === Iteration 1 === [val_from_nodeErr0EnsuresViolation]=== [2018-01-21 00:31:15,896 INFO L82 PathProgramCache]: Analyzing trace with hash -960956095, now seen corresponding path program 1 times [2018-01-21 00:31:15,896 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:15,897 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:15,897 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:15,897 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:15,897 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:15,919 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-21 00:31:16,024 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:16,024 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:31:16,024 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:16,025 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:16,025 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:16,025 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:16,026 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:16,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:16,085 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:16,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:16,085 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-01-21 00:31:16,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:16,086 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:16,086 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:16,087 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:16,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:16,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:16,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-01-21 00:31:16,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:16,088 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:16,089 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:16,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:16,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:16,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:31:16,141 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,141 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,142 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:31:16,142 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:31:16,142 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:31:16,142 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:31:16,142 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:31:16,142 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,142 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,143 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:31:16,143 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,143 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,143 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:31:16,143 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:31:16,143 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:16,143 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 00:31:16,143 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,144 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,144 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 00:31:16,144 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,144 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,144 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,144 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,144 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:16,144 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,144 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 00:31:16,145 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,145 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,145 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 00:31:16,145 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 00:31:16,145 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 00:31:16,145 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 00:31:16,145 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 00:31:16,145 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,146 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,146 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,146 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,146 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:31:16,146 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,146 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,146 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,146 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,146 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:31:16,147 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:31:16,147 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,147 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,147 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:31:16,147 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,147 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:31:16,147 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:31:16,147 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,148 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,148 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:31:16,148 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,148 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 00:31:16,148 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 00:31:16,148 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,148 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 00:31:16,148 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 00:31:16,148 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,149 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,149 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:16,149 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:31:16,149 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:16,149 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,149 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:31:16,149 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,149 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,150 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:31:16,150 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:31:16,150 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:16,150 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,150 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,150 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:16,150 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:31:16,150 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,150 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:31:16,151 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,151 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,151 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:31:16,151 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,151 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,151 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,151 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,151 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,151 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,152 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:31:16,152 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,152 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,152 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,152 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:31:16,152 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:31:16,152 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,153 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,153 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:31:16,153 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,153 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,153 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:31:16,153 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:31:16,153 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:31:16,153 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,153 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:31:16,154 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,154 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,154 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 00:31:16,154 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,154 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 00:31:16,154 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,154 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,154 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:31:16,154 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,155 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:31:16,155 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:31:16,155 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:16,155 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:16,155 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:31:16,155 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,155 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,156 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 00:31:16,156 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 00:31:16,156 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:31:16,156 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,156 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 00:31:16,156 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,156 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:16,156 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 00:31:16,157 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 00:31:16,157 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 00:31:16,157 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 00:31:16,157 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,157 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 00:31:16,157 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:16,157 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:16,157 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:31:16,158 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 00:31:16,158 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,158 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:16,158 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,158 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,160 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:16,161 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:16,161 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:16,161 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:16,161 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:16,161 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:16,161 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:16,161 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_sortErr0EnsuresViolation======== [2018-01-21 00:31:16,162 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:16,164 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:16,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-21 00:31:16,166 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:16,166 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:31:16,166 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_sortErr0EnsuresViolation]=== [2018-01-21 00:31:16,166 INFO L82 PathProgramCache]: Analyzing trace with hash -95720393, now seen corresponding path program 1 times [2018-01-21 00:31:16,166 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:16,168 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:16,168 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:16,168 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:16,168 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:16,183 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:16,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:31:16,259 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:16,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:31:16,259 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:16,260 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:16,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:16,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:16,261 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:16,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:16,296 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:16,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:16,296 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-21 00:31:16,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:16,297 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:16,297 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:16,298 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:16,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:16,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:16,299 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-21 00:31:16,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:16,299 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:16,299 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:16,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:16,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:31:16,376 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,376 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,376 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:31:16,376 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:31:16,376 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:31:16,376 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:31:16,376 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:31:16,376 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,377 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 00:31:16,378 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,378 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:31:16,379 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:31:16,379 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,380 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,380 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:31:16,380 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,380 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 00:31:16,380 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 00:31:16,380 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,380 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 00:31:16,380 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 00:31:16,380 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,380 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,380 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:16,381 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:31:16,381 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:16,381 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,381 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:31:16,381 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,381 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,381 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:31:16,381 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:31:16,382 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:16,382 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,382 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,382 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:16,382 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:31:16,382 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,382 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:31:16,382 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,382 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,382 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:31:16,383 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,383 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,383 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,383 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,383 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,383 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,383 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:31:16,383 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,383 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,383 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,384 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:31:16,384 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:31:16,384 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,384 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,384 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:31:16,384 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,384 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,384 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:31:16,384 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:31:16,384 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:31:16,384 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,384 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:31:16,384 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,385 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,385 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 00:31:16,385 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,385 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 00:31:16,385 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,385 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,385 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:31:16,385 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,385 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:31:16,385 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:31:16,386 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:16,386 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:16,386 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:31:16,386 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,386 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,386 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 00:31:16,386 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 00:31:16,386 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:31:16,386 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,386 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 00:31:16,387 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,387 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:16,387 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 00:31:16,387 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 00:31:16,387 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 00:31:16,387 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 00:31:16,387 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,387 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 00:31:16,387 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:16,387 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:16,387 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:31:16,387 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 00:31:16,388 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,388 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:16,388 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,388 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,390 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:16,390 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:16,390 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:16,390 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:16,390 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:16,390 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:16,391 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:16,391 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_emptyErr0EnsuresViolation======== [2018-01-21 00:31:16,391 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:16,393 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:16,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 00:31:16,394 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:16,394 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:31:16,394 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_emptyErr0EnsuresViolation]=== [2018-01-21 00:31:16,395 INFO L82 PathProgramCache]: Analyzing trace with hash -2104114177, now seen corresponding path program 1 times [2018-01-21 00:31:16,395 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:16,396 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:16,396 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:16,396 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:16,396 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:16,407 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:16,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:31:16,505 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:16,506 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:31:16,506 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:16,506 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:16,506 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:16,506 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:16,506 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:16,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:16,552 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:16,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:16,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-21 00:31:16,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:16,553 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:16,553 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:16,554 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:16,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:16,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:16,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-01-21 00:31:16,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:16,556 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:16,556 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:16,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:16,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:31:16,597 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,597 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,597 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:31:16,597 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:31:16,597 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:31:16,597 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:31:16,597 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:31:16,597 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,598 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 00:31:16,599 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:31:16,599 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:31:16,600 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,601 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 00:31:16,601 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 00:31:16,601 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,601 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 00:31:16,601 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 00:31:16,601 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,601 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,601 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:16,601 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:31:16,601 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:16,601 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,601 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:31:16,601 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,601 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,601 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:31:16,602 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:31:16,602 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:16,602 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,602 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,602 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:16,602 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:31:16,602 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,602 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:31:16,602 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,602 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,602 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:31:16,602 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,603 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,603 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,603 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,603 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,603 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,603 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:31:16,603 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,603 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,603 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,604 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:31:16,604 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:31:16,604 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,604 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,604 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:31:16,604 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,604 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,604 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:31:16,604 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:31:16,605 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:31:16,605 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,605 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:31:16,605 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,605 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,605 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 00:31:16,605 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,605 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 00:31:16,605 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,606 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,606 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:31:16,606 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,606 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:31:16,606 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:31:16,606 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:16,606 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:16,606 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:31:16,606 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,606 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,607 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 00:31:16,607 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 00:31:16,607 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:31:16,607 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,607 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 00:31:16,607 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,607 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:16,607 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 00:31:16,607 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 00:31:16,608 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 00:31:16,608 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 00:31:16,608 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,608 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 00:31:16,608 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:16,608 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:16,608 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:31:16,608 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 00:31:16,608 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,609 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:16,609 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,609 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,611 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:16,611 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:16,611 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:16,611 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:16,611 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:16,611 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:16,611 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:16,612 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_delErr0EnsuresViolation======== [2018-01-21 00:31:16,612 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 00:31:16,616 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:16,616 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 00:31:16,617 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_delErr0EnsuresViolation]=== [2018-01-21 00:31:16,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1363924563, now seen corresponding path program 1 times [2018-01-21 00:31:16,617 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:16,618 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:16,618 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:16,618 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:16,618 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:16,632 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-21 00:31:16,734 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:16,734 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:31:16,734 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:16,734 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:16,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:16,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:16,735 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:16,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:16,764 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:16,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:16,764 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-01-21 00:31:16,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:16,765 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:16,765 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:16,766 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:16,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:16,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:16,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:16,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-01-21 00:31:16,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:16,767 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:16,767 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:16,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:16,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:16,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:31:16,790 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,790 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,790 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:31:16,790 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:31:16,791 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:31:16,791 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:31:16,791 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:31:16,791 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,791 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,791 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:31:16,791 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,791 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,791 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:31:16,791 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:31:16,791 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:16,791 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 00:31:16,791 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 00:31:16,792 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 00:31:16,792 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 00:31:16,793 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,793 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 00:31:16,794 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,794 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,795 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:31:16,795 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,796 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:31:16,796 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:31:16,796 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,797 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,797 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:31:16,797 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,797 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,797 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:31:16,797 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:31:16,797 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:31:16,797 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,797 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:31:16,797 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,797 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,797 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 00:31:16,797 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,797 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 00:31:16,797 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,797 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 00:31:16,798 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,799 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:16,799 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 00:31:16,799 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 00:31:16,799 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 00:31:16,799 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 00:31:16,799 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,799 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 00:31:16,799 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:16,799 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:16,799 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:31:16,799 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 00:31:16,799 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,799 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:16,799 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,799 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,800 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:16,801 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:16,801 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:16,801 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:16,801 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:16,801 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:16,801 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:16,801 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 00:31:16,801 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:16,802 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:16,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 00:31:16,804 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:16,804 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:31:16,804 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 00:31:16,805 INFO L82 PathProgramCache]: Analyzing trace with hash 129010467, now seen corresponding path program 1 times [2018-01-21 00:31:16,805 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:16,806 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:16,806 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:16,806 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:16,806 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:16,817 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:31:16,888 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:16,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:31:16,889 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:16,889 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:16,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:16,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:16,889 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:16,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:16,916 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:16,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:16,917 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-21 00:31:16,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:16,917 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:16,917 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:16,918 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:16,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:16,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:16,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 00:31:16,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:16,919 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:16,919 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:16,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:16,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:31:16,942 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,942 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,942 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:31:16,942 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:31:16,942 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:31:16,942 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:31:16,942 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:31:16,942 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:16,942 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,942 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:31:16,943 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,943 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:16,943 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:31:16,943 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:31:16,943 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:16,943 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 00:31:16,943 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,943 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,943 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 00:31:16,943 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,943 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,944 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,944 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,944 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:16,944 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,944 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 00:31:16,944 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,944 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,944 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 00:31:16,944 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 00:31:16,945 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 00:31:16,945 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 00:31:16,945 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 00:31:16,945 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,945 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,945 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,945 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:16,945 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:31:16,945 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:16,945 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 00:31:16,945 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,946 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:16,946 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:31:16,946 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:31:16,946 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,946 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,946 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:31:16,946 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:16,946 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:31:16,946 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:31:16,947 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,947 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,947 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:31:16,947 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:16,947 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 00:31:16,947 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 00:31:16,947 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,947 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 00:31:16,947 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 00:31:16,947 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,948 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:16,948 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:16,948 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:31:16,948 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:16,948 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,948 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:31:16,948 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,948 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:16,948 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:31:16,948 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:31:16,949 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:16,949 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,949 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,949 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:16,949 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:31:16,949 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:31:16,949 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:31:16,949 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,949 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,949 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:31:16,950 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:16,950 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,950 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,950 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,950 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,950 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:31:16,950 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:31:16,950 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,950 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,950 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,950 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:31:16,951 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:31:16,951 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,951 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,951 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:31:16,951 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:16,951 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:31:16,951 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:31:16,951 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:31:16,951 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:31:16,951 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,951 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:31:16,951 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,951 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:16,951 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 00:31:16,951 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,951 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,952 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 00:31:16,953 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,953 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:16,953 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 00:31:16,953 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 00:31:16,953 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 00:31:16,953 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 00:31:16,953 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,953 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 00:31:16,953 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:16,953 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:16,953 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:31:16,953 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 00:31:16,953 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,953 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:16,953 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 00:31:16,953 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:16,954 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:16,955 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:16,955 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:16,955 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:16,955 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:16,955 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:16,955 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:16,955 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_readErr0EnsuresViolation======== [2018-01-21 00:31:16,955 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:16,956 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:16,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 00:31:16,956 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:16,957 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:31:16,957 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_readErr0EnsuresViolation]=== [2018-01-21 00:31:16,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1502029285, now seen corresponding path program 1 times [2018-01-21 00:31:16,957 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:16,957 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:16,958 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:16,958 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:16,958 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:16,965 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:17,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:31:17,005 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:17,006 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 00:31:17,006 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:17,006 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:17,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:17,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,006 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:17,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:17,039 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:17,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:17,039 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-01-21 00:31:17,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:17,040 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:17,040 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:17,040 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:17,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:17,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:17,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-01-21 00:31:17,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:17,041 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:17,042 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:17,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:17,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:17,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:31:17,094 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:17,094 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:17,094 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:31:17,094 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:31:17,094 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:31:17,094 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:31:17,094 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:31:17,094 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:17,095 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:17,095 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:31:17,095 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:17,095 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:17,095 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:31:17,095 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:31:17,095 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:17,095 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 00:31:17,095 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:17,095 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:17,095 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 00:31:17,096 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:17,096 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:17,096 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 00:31:17,096 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,096 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:17,096 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,096 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 00:31:17,096 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,096 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,096 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 00:31:17,096 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 00:31:17,097 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 00:31:17,097 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 00:31:17,097 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 00:31:17,097 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 00:31:17,097 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 00:31:17,097 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,097 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,097 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:31:17,097 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:17,097 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 00:31:17,098 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 00:31:17,098 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:17,098 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:31:17,098 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:31:17,098 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:17,098 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:17,098 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:31:17,098 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:17,098 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:31:17,098 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:31:17,098 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:17,099 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:17,099 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:31:17,099 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:17,099 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 00:31:17,099 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 00:31:17,099 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:17,099 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 00:31:17,099 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 00:31:17,099 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:17,099 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:17,099 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:17,100 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:31:17,100 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:17,100 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:17,100 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:31:17,100 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:17,100 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:17,100 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:31:17,100 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:31:17,100 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:17,100 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:31:17,101 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:31:17,101 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:17,101 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:31:17,101 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:31:17,101 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:31:17,101 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:17,101 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:17,101 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:31:17,101 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:17,101 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,101 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:31:17,102 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:31:17,102 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,102 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:31:17,102 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:31:17,102 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,102 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:17,102 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:31:17,102 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:31:17,102 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:31:17,102 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:31:17,103 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:17,103 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:31:17,103 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:17,103 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:31:17,103 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:31:17,103 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:31:17,103 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:31:17,103 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:17,103 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:31:17,103 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:17,104 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:17,104 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 00:31:17,104 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,104 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 00:31:17,104 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,104 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,104 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:31:17,104 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:17,104 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:31:17,104 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:31:17,105 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:17,105 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:17,105 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:31:17,105 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:17,105 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:17,105 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 00:31:17,105 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 00:31:17,105 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:31:17,105 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:17,105 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 00:31:17,105 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:17,106 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:17,106 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 00:31:17,106 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 00:31:17,106 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 00:31:17,106 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 00:31:17,106 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 00:31:17,106 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 00:31:17,106 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:17,106 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:17,106 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:31:17,106 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 00:31:17,107 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 00:31:17,107 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:17,107 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 00:31:17,107 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:17,108 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:17,109 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:17,109 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:17,109 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:17,109 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:17,109 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:17,109 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:17,109 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_destroyErr0EnsuresViolation======== [2018-01-21 00:31:17,109 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 00:31:17,112 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:17,112 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:31:17,112 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_destroyErr0EnsuresViolation]=== [2018-01-21 00:31:17,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1862824386, now seen corresponding path program 1 times [2018-01-21 00:31:17,112 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:17,113 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,113 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:17,114 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,114 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:17,122 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:31:17,189 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:17,189 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:31:17,189 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:17,189 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:17,189 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:17,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,190 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:17,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:17,211 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:17,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:17,212 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 00:31:17,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:17,212 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:17,212 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:17,213 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:17,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:17,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 00:31:17,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:17,214 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:17,214 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:17,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:17,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:17,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 00:31:17,238 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:17,238 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:17,238 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 00:31:17,238 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 00:31:17,238 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 00:31:17,238 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 00:31:17,238 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 00:31:17,238 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 00:31:17,238 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 00:31:17,239 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 00:31:17,240 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 00:31:17,240 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 00:31:17,241 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 00:31:17,241 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 00:31:17,241 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 00:31:17,242 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,243 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:17,244 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 00:31:17,244 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 00:31:17,244 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 00:31:17,244 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 00:31:17,244 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:17,244 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 00:31:17,244 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 00:31:17,244 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 00:31:17,244 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 00:31:17,244 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 00:31:17,244 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 00:31:17,244 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:17,244 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 00:31:17,244 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:17,244 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 00:31:17,245 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 00:31:17,246 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 00:31:17,246 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:17,246 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 00:31:17,246 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:17,246 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:17,246 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 00:31:17,246 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 00:31:17,246 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 00:31:17,246 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 00:31:17,246 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 00:31:17,246 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 00:31:17,246 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:17,246 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 00:31:17,246 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 00:31:17,246 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 00:31:17,247 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 00:31:17,247 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 00:31:17,247 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 00:31:17,247 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 00:31:17,248 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:17,248 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:17,248 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:17,249 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:17,249 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:17,249 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:17,249 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:17,249 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 00:31:17,249 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:17,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-01-21 00:31:17,250 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:17,251 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-01-21 00:31:17,251 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 00:31:17,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1787616507, now seen corresponding path program 1 times [2018-01-21 00:31:17,251 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:17,251 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,252 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:17,252 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,252 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:31:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 00:31:17,278 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 00:31:17,285 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 00:31:17,289 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 00:31:17,290 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 00:31:17,290 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 00:31:17,290 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 00:31:17,293 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:17,293 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:17,293 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:17,293 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:17,294 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:17,294 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:17,294 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:17,294 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_moveErr0EnsuresViolation======== [2018-01-21 00:31:17,294 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-01-21 00:31:17,297 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:17,298 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 00:31:17,298 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_moveErr0EnsuresViolation]=== [2018-01-21 00:31:17,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1324071658, now seen corresponding path program 1 times [2018-01-21 00:31:17,298 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:17,299 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,299 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:17,299 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,299 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:17,309 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:17,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-21 00:31:17,401 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:17,401 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:31:17,401 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:17,401 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:17,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:17,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,402 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:17,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:17,441 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:17,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:17,441 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-01-21 00:31:17,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:17,441 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:17,441 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:17,442 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:17,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:17,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-01-21 00:31:17,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:17,443 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:17,443 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:17,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:17,444 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:17,444 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:17,444 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:17,444 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:17,444 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:17,444 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:17,444 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:17,444 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_addErr0EnsuresViolation======== [2018-01-21 00:31:17,445 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:17,446 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:17,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 00:31:17,447 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:17,447 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:31:17,447 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_addErr0EnsuresViolation]=== [2018-01-21 00:31:17,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1266152581, now seen corresponding path program 1 times [2018-01-21 00:31:17,447 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:17,448 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,448 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:17,448 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,448 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:17,455 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:31:17,502 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:17,502 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:31:17,502 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:17,502 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:17,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:17,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,503 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:17,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:17,523 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:17,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:17,523 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-01-21 00:31:17,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:17,523 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:17,524 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:17,524 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:17,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:17,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:17,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:17,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 00:31:17,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:17,525 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:17,525 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:17,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:17,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:17,526 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:17,526 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:17,526 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:17,526 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:17,527 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:17,527 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:17,527 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:17,527 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 00:31:17,527 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:17,528 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:17,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 00:31:17,528 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:17,529 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:31:17,529 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 00:31:17,529 INFO L82 PathProgramCache]: Analyzing trace with hash -574987241, now seen corresponding path program 1 times [2018-01-21 00:31:17,529 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:17,529 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,530 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:17,530 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,530 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:17,535 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:31:17,576 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:17,576 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:31:17,576 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:17,577 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:17,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:17,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,577 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:17,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:17,616 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:17,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:17,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-21 00:31:17,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:17,617 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:17,617 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:17,618 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:17,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:17,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:17,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:17,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 00:31:17,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:17,619 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:17,619 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:17,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:17,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:17,620 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:17,620 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:17,620 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:17,620 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:17,621 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:17,621 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:17,621 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:17,621 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_insertErr0EnsuresViolation======== [2018-01-21 00:31:17,621 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-21 00:31:17,623 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:17,623 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 00:31:17,624 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_insertErr0EnsuresViolation]=== [2018-01-21 00:31:17,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1296879942, now seen corresponding path program 1 times [2018-01-21 00:31:17,624 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:17,625 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,625 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:17,625 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,625 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:17,632 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 00:31:17,721 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:17,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:31:17,721 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:17,721 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:17,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:17,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,721 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:17,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:17,749 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:17,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:17,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-21 00:31:17,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:17,749 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:17,749 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:17,750 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:17,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:17,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:17,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:17,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-21 00:31:17,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:17,750 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:17,750 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:17,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:17,751 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 00:31:17,751 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 00:31:17,751 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 00:31:17,751 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 00:31:17,751 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 00:31:17,752 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 00:31:17,752 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 00:31:17,752 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_seek_maxErr0EnsuresViolation======== [2018-01-21 00:31:17,752 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 00:31:17,753 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 00:31:17,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-21 00:31:17,754 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 00:31:17,754 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 00:31:17,754 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_seek_maxErr0EnsuresViolation]=== [2018-01-21 00:31:17,755 INFO L82 PathProgramCache]: Analyzing trace with hash -779976669, now seen corresponding path program 1 times [2018-01-21 00:31:17,755 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 00:31:17,756 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,756 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 00:31:17,756 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 00:31:17,756 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 00:31:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 00:31:17,762 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 00:31:17,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-21 00:31:17,817 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 00:31:17,817 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 00:31:17,817 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 00:31:17,817 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 00:31:17,817 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 00:31:17,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,818 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 00:31:17,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 00:31:17,853 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 00:31:17,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 00:31:17,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-01-21 00:31:17,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 00:31:17,854 INFO L225 Difference]: With dead ends: 139 [2018-01-21 00:31:17,854 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 00:31:17,854 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 00:31:17,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 00:31:17,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 00:31:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 00:31:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 00:31:17,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-01-21 00:31:17,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 00:31:17,855 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 00:31:17,855 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 00:31:17,855 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 00:31:17,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 00:31:17,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 12:31:17 BoogieIcfgContainer [2018-01-21 00:31:17,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 00:31:17,859 INFO L168 Benchmark]: Toolchain (without parser) took 3428.12 ms. Allocated memory was 306.7 MB in the beginning and 503.3 MB in the end (delta: 196.6 MB). Free memory was 264.0 MB in the beginning and 423.2 MB in the end (delta: -159.1 MB). Peak memory consumption was 37.5 MB. Max. memory is 5.3 GB. [2018-01-21 00:31:17,860 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 306.7 MB. Free memory is still 270.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 00:31:17,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.07 ms. Allocated memory is still 306.7 MB. Free memory was 264.0 MB in the beginning and 251.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-01-21 00:31:17,861 INFO L168 Benchmark]: Boogie Preprocessor took 42.94 ms. Allocated memory is still 306.7 MB. Free memory was 251.9 MB in the beginning and 249.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 00:31:17,861 INFO L168 Benchmark]: RCFGBuilder took 501.92 ms. Allocated memory is still 306.7 MB. Free memory was 249.9 MB in the beginning and 215.4 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 5.3 GB. [2018-01-21 00:31:17,862 INFO L168 Benchmark]: TraceAbstraction took 2625.71 ms. Allocated memory was 306.7 MB in the beginning and 503.3 MB in the end (delta: 196.6 MB). Free memory was 215.4 MB in the beginning and 423.2 MB in the end (delta: -207.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 00:31:17,863 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 306.7 MB. Free memory is still 270.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 249.07 ms. Allocated memory is still 306.7 MB. Free memory was 264.0 MB in the beginning and 251.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.94 ms. Allocated memory is still 306.7 MB. Free memory was 251.9 MB in the beginning and 249.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 501.92 ms. Allocated memory is still 306.7 MB. Free memory was 249.9 MB in the beginning and 215.4 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2625.71 ms. Allocated memory was 306.7 MB in the beginning and 503.3 MB in the end (delta: 196.6 MB). Free memory was 215.4 MB in the beginning and 423.2 MB in the end (delta: -207.8 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: __list_addErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 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, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 623]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_emptyErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 636]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: __list_delErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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, 0.1s 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, 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, 0.0s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 6825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 641]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_addErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1904 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 2201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 661]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_insertErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 2100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 688]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_seek_maxErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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_imprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_00-31-17-876.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_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_00-31-17-876.csv Received shutdown request...