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_smtcomp.epf -i ../../../trunk/examples/svcomp/memsafety/test-0137_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 10:08:41,902 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 10:08:41,904 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 10:08:41,917 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 10:08:41,918 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 10:08:41,919 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 10:08:41,920 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 10:08:41,922 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 10:08:41,924 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 10:08:41,925 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 10:08:41,926 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 10:08:41,926 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 10:08:41,927 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 10:08:41,929 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 10:08:41,930 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 10:08:41,932 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 10:08:41,934 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 10:08:41,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 10:08:41,938 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 10:08:41,939 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 10:08:41,942 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 10:08:41,947 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 10:08:41,948 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 10:08:41,948 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_smtcomp.epf [2018-01-21 10:08:41,957 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 10:08:41,958 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 10:08:41,958 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 10:08:41,958 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 10:08:41,959 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 10:08:41,959 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 10:08:41,959 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 10:08:41,959 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 10:08:41,959 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 10:08:41,960 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 10:08:41,960 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 10:08:41,960 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 10:08:41,960 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 10:08:41,960 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 10:08:41,960 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 10:08:41,960 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 10:08:41,960 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 10:08:41,961 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 10:08:41,961 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 10:08:41,961 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 10:08:41,961 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 10:08:41,961 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 10:08:41,961 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 10:08:41,962 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 10:08:41,962 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 10:08:41,962 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 10:08:41,962 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 10:08:41,962 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 10:08:41,962 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 10:08:41,963 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 10:08:41,963 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 10:08:41,963 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 10:08:41,963 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 10:08:41,963 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 10:08:41,963 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 10:08:41,963 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 10:08:41,963 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 10:08:41,964 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 10:08:41,964 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 10:08:41,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 10:08:42,008 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 10:08:42,011 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 10:08:42,013 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 10:08:42,013 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 10:08:42,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0137_false-valid-deref.i [2018-01-21 10:08:42,183 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 10:08:42,187 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 10:08:42,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 10:08:42,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 10:08:42,194 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 10:08:42,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:08:42" (1/1) ... [2018-01-21 10:08:42,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4149810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:08:42, skipping insertion in model container [2018-01-21 10:08:42,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:08:42" (1/1) ... [2018-01-21 10:08:42,211 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:08:42,252 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:08:42,379 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:08:42,407 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:08:42,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:08:42 WrapperNode [2018-01-21 10:08:42,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 10:08:42,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 10:08:42,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 10:08:42,420 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 10:08:42,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:08:42" (1/1) ... [2018-01-21 10:08:42,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:08:42" (1/1) ... [2018-01-21 10:08:42,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:08:42" (1/1) ... [2018-01-21 10:08:42,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:08:42" (1/1) ... [2018-01-21 10:08:42,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:08:42" (1/1) ... [2018-01-21 10:08:42,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:08:42" (1/1) ... [2018-01-21 10:08:42,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:08:42" (1/1) ... [2018-01-21 10:08:42,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 10:08:42,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 10:08:42,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 10:08:42,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 10:08:42,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:08:42" (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 10:08:42,512 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 10:08:42,512 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 10:08:42,512 INFO L136 BoogieDeclarations]: Found implementation of procedure list_empty [2018-01-21 10:08:42,512 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-01-21 10:08:42,513 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-01-21 10:08:42,513 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-01-21 10:08:42,513 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-01-21 10:08:42,513 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-01-21 10:08:42,513 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-01-21 10:08:42,513 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-01-21 10:08:42,513 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-01-21 10:08:42,513 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_seek_max [2018-01-21 10:08:42,513 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-01-21 10:08:42,514 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 10:08:42,514 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 10:08:42,514 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 10:08:42,514 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 10:08:42,514 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 10:08:42,514 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 10:08:42,515 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 10:08:42,515 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 10:08:42,515 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 10:08:42,515 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 10:08:42,515 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 10:08:42,516 INFO L128 BoogieDeclarations]: Found specification of procedure list_empty [2018-01-21 10:08:42,516 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-01-21 10:08:42,516 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-01-21 10:08:42,516 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-01-21 10:08:42,516 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-01-21 10:08:42,516 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-01-21 10:08:42,516 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-01-21 10:08:42,517 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-01-21 10:08:42,517 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-01-21 10:08:42,517 INFO L128 BoogieDeclarations]: Found specification of procedure gl_seek_max [2018-01-21 10:08:42,517 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-01-21 10:08:42,517 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 10:08:42,517 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 10:08:42,517 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 10:08:42,989 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 10:08:42,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:08:42 BoogieIcfgContainer [2018-01-21 10:08:42,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 10:08:42,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 10:08:42,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 10:08:42,993 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 10:08:42,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 10:08:42" (1/3) ... [2018-01-21 10:08:42,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f9e6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:08:42, skipping insertion in model container [2018-01-21 10:08:42,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:08:42" (2/3) ... [2018-01-21 10:08:42,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f9e6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:08:42, skipping insertion in model container [2018-01-21 10:08:42,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:08:42" (3/3) ... [2018-01-21 10:08:42,997 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0137_false-valid-deref.i [2018-01-21 10:08:43,005 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 10:08:43,012 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2018-01-21 10:08:43,055 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:43,056 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:43,056 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:43,056 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:43,056 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:43,056 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:43,056 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:43,056 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_addErr0EnsuresViolation======== [2018-01-21 10:08:43,057 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 10:08:43,086 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:43,087 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 10:08:43,087 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_addErr0EnsuresViolation]=== [2018-01-21 10:08:43,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1496874194, now seen corresponding path program 1 times [2018-01-21 10:08:43,093 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:43,137 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:43,137 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:43,137 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:43,137 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:43,208 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:43,464 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 10:08:43,467 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:43,504 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:08:43,504 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:43,507 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:43,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:43,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:43,519 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:43,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:43,576 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:43,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:43,579 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-21 10:08:43,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:43,586 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:43,587 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:43,591 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 10:08:43,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:43,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:43,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:43,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 10:08:43,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:43,618 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:43,618 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:43,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:43,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:08:43,665 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:43,665 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:43,666 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:08:43,666 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:08:43,666 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:08:43,666 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:08:43,666 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:08:43,666 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:43,667 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:43,667 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:08:43,667 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:43,667 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:43,667 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:08:43,667 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:08:43,668 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:43,668 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 10:08:43,668 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:43,668 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:43,668 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 10:08:43,668 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:43,668 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:43,669 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 10:08:43,669 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,669 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:43,669 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,669 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 10:08:43,669 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,669 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,669 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 10:08:43,670 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 10:08:43,670 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 10:08:43,670 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 10:08:43,670 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 10:08:43,670 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 10:08:43,670 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 10:08:43,670 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,671 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,671 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:08:43,671 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:43,671 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 10:08:43,671 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 10:08:43,671 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:43,671 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:08:43,672 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:08:43,672 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:43,672 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:43,672 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:08:43,672 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:43,672 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:08:43,672 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:08:43,673 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:43,673 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:43,673 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:08:43,673 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:43,673 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 10:08:43,673 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 10:08:43,673 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:43,674 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 10:08:43,674 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 10:08:43,674 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:43,674 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:43,674 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:43,674 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:08:43,674 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:43,674 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:43,674 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:08:43,675 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:43,675 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:43,675 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:08:43,675 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:08:43,675 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:43,675 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:08:43,675 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:08:43,675 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:43,676 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:08:43,676 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:08:43,676 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:08:43,676 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:43,676 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:43,676 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:08:43,676 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:43,677 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,677 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:08:43,677 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:08:43,677 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,677 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:08:43,677 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:08:43,677 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,677 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:43,678 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:08:43,678 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:08:43,678 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:08:43,678 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:08:43,678 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:43,678 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:08:43,678 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:43,678 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:08:43,679 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:08:43,679 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:08:43,679 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:08:43,679 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:43,679 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:08:43,679 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:43,679 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:43,679 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 10:08:43,680 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,680 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 10:08:43,680 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,680 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,680 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:08:43,680 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:43,680 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:08:43,680 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:08:43,681 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:43,681 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:43,681 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:08:43,681 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:43,681 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:43,681 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 10:08:43,681 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 10:08:43,681 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:08:43,682 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:43,682 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 10:08:43,682 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:43,682 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:43,682 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 10:08:43,682 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 10:08:43,682 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 10:08:43,683 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 10:08:43,683 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 10:08:43,683 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 10:08:43,683 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:43,683 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:43,683 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:08:43,683 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 10:08:43,683 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 10:08:43,683 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:43,684 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 10:08:43,684 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:43,689 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:43,689 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:43,689 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:43,689 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:43,689 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:43,689 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:43,689 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:43,689 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == val_from_nodeErr0EnsuresViolation======== [2018-01-21 10:08:43,690 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:43,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-01-21 10:08:43,697 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:43,697 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 10:08:43,697 INFO L371 AbstractCegarLoop]: === Iteration 1 === [val_from_nodeErr0EnsuresViolation]=== [2018-01-21 10:08:43,697 INFO L82 PathProgramCache]: Analyzing trace with hash -960956095, now seen corresponding path program 1 times [2018-01-21 10:08:43,698 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:43,699 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:43,699 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:43,699 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:43,699 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:43,719 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:43,850 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 10:08:43,850 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:43,850 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:08:43,850 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:43,851 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:43,851 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:43,851 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:43,852 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:43,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:43,901 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:43,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:43,902 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-01-21 10:08:43,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:43,902 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:43,903 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:43,904 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:43,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:43,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:43,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-01-21 10:08:43,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:43,905 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:43,905 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:43,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:43,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:43,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:08:43,937 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:43,938 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:43,938 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:08:43,938 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:08:43,938 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:08:43,938 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:08:43,938 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:08:43,938 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:43,938 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:43,939 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:08:43,939 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:43,939 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:43,939 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:08:43,939 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:08:43,939 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:43,939 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 10:08:43,939 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:43,939 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:43,940 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 10:08:43,940 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:43,940 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:43,940 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 10:08:43,940 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,940 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:43,940 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,940 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 10:08:43,941 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 10:08:43,941 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:43,941 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 10:08:43,942 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 10:08:43,942 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:43,942 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:08:43,942 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:08:43,942 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:43,942 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:43,942 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:08:43,942 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:43,942 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:08:43,942 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:08:43,942 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:43,942 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:43,942 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:08:43,943 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:43,943 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 10:08:43,943 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 10:08:43,943 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:43,943 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 10:08:43,943 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 10:08:43,943 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:43,943 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:43,943 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:43,944 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:08:43,944 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:43,944 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:43,944 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:08:43,944 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:43,944 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:43,944 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:08:43,944 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:08:43,944 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:43,944 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:08:43,944 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:08:43,944 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:43,944 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:08:43,945 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:08:43,945 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:08:43,945 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:43,945 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:43,945 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:08:43,945 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:43,945 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,945 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:08:43,945 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:08:43,945 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,945 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:08:43,945 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:08:43,945 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,946 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:43,946 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:08:43,946 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:08:43,946 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:08:43,946 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:08:43,946 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:43,946 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:08:43,946 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:43,946 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:08:43,946 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:08:43,946 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:08:43,946 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:08:43,946 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:43,946 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:08:43,947 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:43,947 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:43,947 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 10:08:43,947 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,947 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 10:08:43,947 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,947 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:43,947 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:08:43,947 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:43,947 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:08:43,947 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:08:43,947 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:43,948 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:43,948 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:08:43,948 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:43,948 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:43,948 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 10:08:43,948 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 10:08:43,948 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:08:43,949 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:43,949 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 10:08:43,949 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:43,949 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:43,949 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 10:08:43,949 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 10:08:43,949 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 10:08:43,949 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 10:08:43,950 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 10:08:43,950 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 10:08:43,950 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:43,950 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:43,950 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:08:43,950 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 10:08:43,950 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 10:08:43,950 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:43,951 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 10:08:43,951 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:43,953 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:43,954 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:43,954 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:43,954 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:43,954 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:43,954 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:43,954 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:43,954 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_sortErr0EnsuresViolation======== [2018-01-21 10:08:43,954 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-21 10:08:43,958 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:43,959 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 10:08:43,959 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_sortErr0EnsuresViolation]=== [2018-01-21 10:08:43,959 INFO L82 PathProgramCache]: Analyzing trace with hash -95720393, now seen corresponding path program 1 times [2018-01-21 10:08:43,959 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:43,960 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:43,960 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:43,960 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:43,961 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:43,975 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:44,045 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 10:08:44,045 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:44,045 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:08:44,045 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:44,046 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:44,046 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:44,046 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:44,046 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:44,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:44,081 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:44,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:44,082 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-21 10:08:44,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:44,082 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:44,082 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:44,084 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 10:08:44,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:44,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:44,084 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-21 10:08:44,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:44,085 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:44,085 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:44,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:44,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:08:44,112 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,112 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,112 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:08:44,112 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:08:44,112 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:08:44,112 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:08:44,112 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:08:44,113 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:44,113 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,113 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,114 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,114 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,114 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:44,114 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,114 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 10:08:44,114 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,114 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,114 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 10:08:44,114 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 10:08:44,114 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 10:08:44,114 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 10:08:44,114 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 10:08:44,114 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,114 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:08:44,115 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:08:44,116 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,116 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,116 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:08:44,116 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,116 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 10:08:44,116 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 10:08:44,116 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,116 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 10:08:44,116 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 10:08:44,116 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,116 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,116 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:44,116 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:08:44,117 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:44,117 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,117 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:08:44,117 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,117 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,117 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:08:44,117 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:08:44,117 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:44,117 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,117 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,117 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:44,117 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:08:44,117 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,117 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,118 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:08:44,118 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:08:44,119 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,119 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,119 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:08:44,119 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,119 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,119 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:08:44,119 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:08:44,119 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:08:44,119 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,119 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:08:44,119 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,119 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,119 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 10:08:44,119 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,120 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 10:08:44,120 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,120 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,120 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:08:44,120 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,120 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:08:44,120 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:08:44,120 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:44,120 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:44,120 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:08:44,120 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,120 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,120 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 10:08:44,121 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 10:08:44,121 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:08:44,121 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,121 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 10:08:44,121 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,121 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:44,121 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 10:08:44,121 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 10:08:44,121 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 10:08:44,121 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 10:08:44,121 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,121 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 10:08:44,122 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:44,122 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:44,122 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:08:44,122 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 10:08:44,122 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,122 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:44,122 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,122 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,124 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:44,124 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:44,124 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:44,124 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:44,124 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:44,125 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:44,125 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:44,125 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_emptyErr0EnsuresViolation======== [2018-01-21 10:08:44,125 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 10:08:44,127 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:44,127 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 10:08:44,127 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_emptyErr0EnsuresViolation]=== [2018-01-21 10:08:44,128 INFO L82 PathProgramCache]: Analyzing trace with hash -2104114177, now seen corresponding path program 1 times [2018-01-21 10:08:44,128 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:44,129 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:44,129 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:44,129 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:44,129 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:44,141 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:44,189 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 10:08:44,190 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:44,190 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:08:44,190 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:44,190 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:44,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:44,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:44,191 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:44,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:44,227 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:44,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:44,228 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-21 10:08:44,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:44,229 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:44,229 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:44,230 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 10:08:44,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:44,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:44,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:44,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-01-21 10:08:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:44,231 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:44,231 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:44,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:44,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:44,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:08:44,264 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,264 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,264 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:08:44,264 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:08:44,264 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:08:44,264 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,265 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 10:08:44,266 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,266 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,267 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,268 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:08:44,268 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,268 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 10:08:44,268 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 10:08:44,268 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,268 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 10:08:44,268 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 10:08:44,268 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,268 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,268 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:44,268 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:08:44,268 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:44,268 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,268 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:08:44,268 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,269 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,270 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,270 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,270 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,270 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,270 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:08:44,270 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,270 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,270 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,270 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:08:44,270 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:08:44,270 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,270 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,270 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:08:44,270 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,270 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,271 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:08:44,271 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:08:44,271 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:08:44,271 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,271 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:08:44,271 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,271 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,271 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 10:08:44,271 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,271 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 10:08:44,271 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,271 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,271 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:08:44,271 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,271 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:08:44,272 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:08:44,272 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:44,272 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:44,272 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:08:44,272 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,272 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,272 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 10:08:44,272 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 10:08:44,272 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:08:44,272 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,272 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 10:08:44,272 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,272 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:44,272 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 10:08:44,273 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 10:08:44,273 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 10:08:44,273 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 10:08:44,273 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,273 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 10:08:44,273 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:44,273 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:44,273 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:08:44,273 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 10:08:44,273 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,273 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:44,273 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,273 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,275 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:44,275 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:44,275 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:44,276 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:44,276 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:44,276 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:44,276 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:44,276 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_delErr0EnsuresViolation======== [2018-01-21 10:08:44,276 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 10:08:44,281 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:44,281 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 10:08:44,281 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_delErr0EnsuresViolation]=== [2018-01-21 10:08:44,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1363924563, now seen corresponding path program 1 times [2018-01-21 10:08:44,281 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:44,282 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:44,282 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:44,282 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:44,283 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:44,294 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:44,386 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 10:08:44,386 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:44,386 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:08:44,386 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:44,387 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:44,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:44,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:44,388 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:44,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:44,430 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:44,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:44,431 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-01-21 10:08:44,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:44,431 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:44,431 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:44,432 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 10:08:44,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:44,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:44,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:44,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-01-21 10:08:44,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:44,433 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:44,433 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:44,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:44,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:44,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:08:44,458 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,458 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,458 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:08:44,458 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:08:44,458 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:08:44,458 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:08:44,458 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:08:44,458 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,459 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,459 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:08:44,459 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,459 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,460 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:08:44,460 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:08:44,460 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:44,460 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 10:08:44,460 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,460 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,460 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 10:08:44,460 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,460 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,461 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,461 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,461 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:44,461 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,461 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 10:08:44,461 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,461 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,461 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 10:08:44,462 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 10:08:44,462 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 10:08:44,462 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 10:08:44,462 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 10:08:44,462 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,462 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,462 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,462 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,463 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:08:44,463 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,463 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,463 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,463 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,463 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:08:44,463 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:08:44,463 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,463 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,464 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:08:44,464 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,464 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:08:44,464 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:08:44,464 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,464 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,464 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:08:44,464 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,464 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 10:08:44,465 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 10:08:44,465 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,465 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 10:08:44,465 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 10:08:44,465 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,465 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,465 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:44,465 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:08:44,465 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:44,465 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,465 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:08:44,466 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,466 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,466 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:08:44,466 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:08:44,466 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:44,466 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,466 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,466 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:44,466 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:08:44,466 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,466 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:08:44,467 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,467 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,467 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:08:44,467 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,467 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,467 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,467 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,467 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,467 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,467 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:08:44,468 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,468 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,468 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,468 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:08:44,468 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:08:44,468 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,468 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,468 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:08:44,468 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,468 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,468 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:08:44,469 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:08:44,469 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:08:44,469 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,469 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:08:44,469 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,469 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,469 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 10:08:44,469 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,469 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 10:08:44,469 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,470 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,470 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:08:44,470 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,470 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:08:44,470 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:08:44,470 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:44,470 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:44,470 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:08:44,470 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,470 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,471 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 10:08:44,471 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 10:08:44,471 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:08:44,471 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,471 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 10:08:44,471 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,471 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:44,471 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 10:08:44,471 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 10:08:44,471 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 10:08:44,471 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 10:08:44,472 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,472 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 10:08:44,472 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:44,472 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:44,472 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:08:44,472 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 10:08:44,472 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,472 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:44,472 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,472 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,474 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:44,474 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:44,474 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:44,474 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:44,475 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:44,475 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:44,475 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:44,475 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 10:08:44,475 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 10:08:44,478 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:44,478 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 10:08:44,478 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 10:08:44,479 INFO L82 PathProgramCache]: Analyzing trace with hash 129010467, now seen corresponding path program 1 times [2018-01-21 10:08:44,479 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:44,480 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:44,480 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:44,480 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:44,480 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:44,489 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:44,552 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 10:08:44,553 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:44,553 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:08:44,553 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:44,553 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:44,554 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:44,554 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:44,554 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:44,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:44,583 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:44,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:44,583 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-21 10:08:44,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:44,584 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:44,584 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:44,584 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 10:08:44,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:44,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:44,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:44,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:44,585 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 10:08:44,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:44,585 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:44,586 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:44,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:44,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:08:44,613 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,613 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,614 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:08:44,614 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:08:44,614 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:08:44,614 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:08:44,614 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:08:44,614 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,614 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,614 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:08:44,614 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,614 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,614 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:08:44,614 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:08:44,614 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 10:08:44,615 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 10:08:44,615 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,616 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,617 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:08:44,617 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,617 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:08:44,617 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:08:44,617 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,617 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,617 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:08:44,617 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,617 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 10:08:44,617 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 10:08:44,617 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,617 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 10:08:44,617 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 10:08:44,617 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,617 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:44,618 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:08:44,618 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,619 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:08:44,620 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:08:44,620 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,620 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,620 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:08:44,620 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,620 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,620 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:08:44,620 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:08:44,620 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:08:44,620 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,620 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:08:44,620 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,620 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,620 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 10:08:44,620 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 10:08:44,621 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:08:44,622 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,622 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 10:08:44,622 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,622 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:44,622 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 10:08:44,622 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 10:08:44,622 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 10:08:44,622 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 10:08:44,622 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,622 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 10:08:44,622 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:44,622 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:44,622 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:08:44,622 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 10:08:44,622 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,622 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:44,623 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,623 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,624 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:44,624 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:44,624 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:44,624 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:44,624 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:44,624 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:44,625 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:44,625 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_readErr0EnsuresViolation======== [2018-01-21 10:08:44,625 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:44,626 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 10:08:44,627 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:44,627 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:08:44,627 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_readErr0EnsuresViolation]=== [2018-01-21 10:08:44,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1502029285, now seen corresponding path program 1 times [2018-01-21 10:08:44,627 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:44,628 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:44,628 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:44,628 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:44,628 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:44,636 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:44,735 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 10:08:44,735 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:44,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:08:44,735 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:44,736 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:44,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:44,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:44,736 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:44,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:44,764 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:44,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:44,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-01-21 10:08:44,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:44,765 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:44,765 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:44,766 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 10:08:44,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:44,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:44,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:44,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-01-21 10:08:44,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:44,766 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:44,766 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:44,766 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:44,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:44,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:08:44,803 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,803 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,804 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:08:44,804 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:08:44,804 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:08:44,804 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:08:44,804 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:08:44,804 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:44,804 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,804 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:08:44,804 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,805 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:44,805 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:08:44,805 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:08:44,805 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:44,805 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 10:08:44,805 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,805 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,805 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 10:08:44,805 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,805 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,806 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,806 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,806 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:44,806 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,806 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 10:08:44,806 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,806 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,806 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 10:08:44,806 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 10:08:44,807 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 10:08:44,807 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 10:08:44,807 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 10:08:44,807 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,807 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,807 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,807 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:44,807 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:08:44,807 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:44,807 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 10:08:44,807 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,808 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:44,808 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:08:44,808 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:08:44,808 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,808 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,808 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:08:44,808 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:44,808 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:08:44,808 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:08:44,808 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,809 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,809 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:08:44,809 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:44,809 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 10:08:44,809 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 10:08:44,809 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,809 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 10:08:44,809 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 10:08:44,809 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,810 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:44,810 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:44,810 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:08:44,810 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:44,810 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,810 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:08:44,810 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,810 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:44,810 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:08:44,810 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:08:44,810 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:44,811 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,811 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,811 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:44,811 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:08:44,811 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:08:44,811 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:08:44,811 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,811 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,811 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:08:44,811 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:44,812 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,812 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,812 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,812 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,812 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:08:44,812 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:08:44,812 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,812 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,812 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,812 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:08:44,813 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:08:44,813 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,813 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,813 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:08:44,813 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:44,813 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:08:44,813 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:08:44,813 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:08:44,813 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:08:44,814 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,814 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:08:44,814 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,814 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:44,814 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 10:08:44,814 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,814 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 10:08:44,814 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,814 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:44,814 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:08:44,814 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,814 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:08:44,815 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:08:44,815 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:44,815 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:44,815 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:08:44,815 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,815 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:44,815 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 10:08:44,815 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 10:08:44,815 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:08:44,815 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,815 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 10:08:44,815 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,815 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:44,815 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 10:08:44,815 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 10:08:44,815 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 10:08:44,816 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 10:08:44,816 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,816 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 10:08:44,816 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:44,816 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:44,816 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:08:44,816 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 10:08:44,816 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,816 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:44,816 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 10:08:44,816 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:44,818 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:44,818 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:44,818 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:44,818 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:44,818 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:44,818 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:44,818 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:44,818 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_destroyErr0EnsuresViolation======== [2018-01-21 10:08:44,819 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:44,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 10:08:44,821 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:44,821 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 10:08:44,821 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_destroyErr0EnsuresViolation]=== [2018-01-21 10:08:44,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1862824386, now seen corresponding path program 1 times [2018-01-21 10:08:44,821 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:44,822 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:44,822 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:44,822 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:44,822 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:44,831 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:44,931 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 10:08:44,931 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:44,931 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:08:44,931 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:44,932 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:44,932 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:44,932 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:44,932 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:44,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:44,981 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:44,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:44,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 10:08:44,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:44,982 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:44,982 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:44,982 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 10:08:44,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:44,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:44,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:44,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 10:08:44,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:44,983 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:44,983 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:44,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:44,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:44,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:08:45,003 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:45,003 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:45,003 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:45,004 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 10:08:45,005 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 10:08:45,005 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:08:45,006 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:08:45,007 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 10:08:45,007 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:45,007 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:45,007 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:45,007 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:45,008 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:08:45,009 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:08:45,009 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:45,009 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:08:45,009 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:08:45,009 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:45,009 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:45,009 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:08:45,009 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:08:45,009 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:08:45,009 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:08:45,009 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:45,009 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:08:45,009 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:08:45,009 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:08:45,009 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:08:45,010 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:08:45,010 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:08:45,010 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:45,010 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:08:45,010 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:45,010 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:08:45,010 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 10:08:45,010 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:45,010 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 10:08:45,010 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:45,010 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 10:08:45,010 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:08:45,011 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:45,011 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:08:45,011 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:08:45,011 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:45,011 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:08:45,011 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:08:45,011 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:45,011 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:08:45,011 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 10:08:45,011 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 10:08:45,012 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:08:45,012 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:45,012 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 10:08:45,012 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:45,012 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:45,012 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 10:08:45,012 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 10:08:45,012 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 10:08:45,012 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 10:08:45,013 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 10:08:45,013 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 10:08:45,013 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:45,013 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 10:08:45,013 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:08:45,013 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 10:08:45,013 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 10:08:45,013 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 10:08:45,013 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 10:08:45,013 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 10:08:45,015 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:45,015 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:45,015 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:45,016 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:45,016 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:45,016 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:45,016 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:45,016 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 10:08:45,016 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-01-21 10:08:45,018 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:45,018 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-01-21 10:08:45,019 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 10:08:45,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1787616507, now seen corresponding path program 1 times [2018-01-21 10:08:45,019 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:45,020 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,020 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:45,020 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,020 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:08:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:08:45,055 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:08:45,061 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:08:45,066 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 10:08:45,066 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 10:08:45,066 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 10:08:45,066 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 10:08:45,070 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:45,070 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:45,070 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:45,070 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:45,070 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:45,070 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:45,070 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:45,070 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_moveErr0EnsuresViolation======== [2018-01-21 10:08:45,070 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:45,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-01-21 10:08:45,073 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:45,073 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 10:08:45,073 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_moveErr0EnsuresViolation]=== [2018-01-21 10:08:45,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1324071658, now seen corresponding path program 1 times [2018-01-21 10:08:45,074 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:45,074 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,074 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:45,074 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,075 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:45,084 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:45,181 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 10:08:45,181 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:45,181 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:08:45,181 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:45,182 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:45,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:45,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:45,182 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:45,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:45,211 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:45,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:45,211 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-01-21 10:08:45,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:45,211 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:45,211 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:45,212 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 10:08:45,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:45,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:45,213 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-01-21 10:08:45,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:45,213 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:45,213 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:45,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:45,214 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:45,214 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:45,214 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:45,214 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:45,214 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:45,214 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:45,214 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:45,215 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_addErr0EnsuresViolation======== [2018-01-21 10:08:45,215 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:45,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 10:08:45,216 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:45,217 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:08:45,217 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_addErr0EnsuresViolation]=== [2018-01-21 10:08:45,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1266152581, now seen corresponding path program 1 times [2018-01-21 10:08:45,217 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:45,217 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,218 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:45,218 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,218 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:45,225 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:45,272 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 10:08:45,272 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:45,273 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:08:45,273 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:45,273 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:45,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:45,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:45,273 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:45,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:45,291 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:45,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:45,291 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-01-21 10:08:45,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:45,292 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:45,292 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:45,292 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 10:08:45,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:45,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:45,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:45,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 10:08:45,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:45,293 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:45,293 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:45,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:45,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:45,297 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:45,297 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:45,298 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:45,298 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:45,298 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:45,298 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:45,298 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:45,298 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 10:08:45,298 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:45,299 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 10:08:45,299 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:45,300 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:08:45,300 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 10:08:45,300 INFO L82 PathProgramCache]: Analyzing trace with hash -574987241, now seen corresponding path program 1 times [2018-01-21 10:08:45,300 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:45,300 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,301 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:45,301 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,301 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:45,307 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:45,351 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 10:08:45,351 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:45,351 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:08:45,351 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:45,351 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:45,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:45,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:45,352 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:45,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:45,369 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:45,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:45,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-21 10:08:45,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:45,370 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:45,370 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:45,370 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 10:08:45,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:45,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:45,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 10:08:45,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:45,371 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:45,371 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:45,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:45,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:45,372 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:45,372 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:45,372 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:45,372 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:45,372 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:45,373 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:45,373 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:45,373 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_insertErr0EnsuresViolation======== [2018-01-21 10:08:45,373 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-21 10:08:45,374 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:45,374 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 10:08:45,374 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_insertErr0EnsuresViolation]=== [2018-01-21 10:08:45,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1296879942, now seen corresponding path program 1 times [2018-01-21 10:08:45,375 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:45,375 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,375 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:45,375 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,375 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:45,382 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:45,440 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 10:08:45,440 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:45,440 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:08:45,441 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:45,441 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:45,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:45,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:45,442 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:45,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:45,462 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:45,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:45,462 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-21 10:08:45,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:45,463 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:45,463 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:45,463 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 10:08:45,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:45,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:45,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:45,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-21 10:08:45,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:45,464 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:45,464 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:45,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:45,465 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:08:45,465 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:08:45,465 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:08:45,466 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:08:45,466 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:08:45,466 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:08:45,466 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:08:45,466 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_seek_maxErr0EnsuresViolation======== [2018-01-21 10:08:45,466 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:08:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:08:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-21 10:08:45,468 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:08:45,468 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 10:08:45,468 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_seek_maxErr0EnsuresViolation]=== [2018-01-21 10:08:45,468 INFO L82 PathProgramCache]: Analyzing trace with hash -779976669, now seen corresponding path program 1 times [2018-01-21 10:08:45,468 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:08:45,469 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,469 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:08:45,469 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:08:45,469 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:08:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:08:45,475 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:08:45,576 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 10:08:45,577 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:08:45,577 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:08:45,577 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:08:45,577 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:08:45,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:08:45,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:08:45,578 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:08:45,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:08:45,636 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 10:08:45,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:08:45,637 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-01-21 10:08:45,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:08:45,637 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:08:45,637 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:08:45,638 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 10:08:45,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:08:45,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:08:45,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:08:45,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:08:45,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-01-21 10:08:45,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:08:45,639 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:08:45,639 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:08:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:08:45,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:08:45,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 10:08:45 BoogieIcfgContainer [2018-01-21 10:08:45,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 10:08:45,643 INFO L168 Benchmark]: Toolchain (without parser) took 3459.53 ms. Allocated memory was 306.2 MB in the beginning and 499.1 MB in the end (delta: 192.9 MB). Free memory was 264.5 MB in the beginning and 421.4 MB in the end (delta: -156.9 MB). Peak memory consumption was 36.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:08:45,644 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 306.2 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 10:08:45,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.92 ms. Allocated memory is still 306.2 MB. Free memory was 263.5 MB in the beginning and 252.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 5.3 GB. [2018-01-21 10:08:45,645 INFO L168 Benchmark]: Boogie Preprocessor took 37.77 ms. Allocated memory is still 306.2 MB. Free memory was 252.2 MB in the beginning and 249.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:08:45,645 INFO L168 Benchmark]: RCFGBuilder took 531.18 ms. Allocated memory is still 306.2 MB. Free memory was 249.2 MB in the beginning and 214.6 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 5.3 GB. [2018-01-21 10:08:45,646 INFO L168 Benchmark]: TraceAbstraction took 2651.27 ms. Allocated memory was 306.2 MB in the beginning and 499.1 MB in the end (delta: 192.9 MB). Free memory was 214.6 MB in the beginning and 421.4 MB in the end (delta: -206.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 10:08:45,647 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 306.2 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 231.92 ms. Allocated memory is still 306.2 MB. Free memory was 263.5 MB in the beginning and 252.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.77 ms. Allocated memory is still 306.2 MB. Free memory was 252.2 MB in the beginning and 249.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 531.18 ms. Allocated memory is still 306.2 MB. Free memory was 249.2 MB in the beginning and 214.6 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2651.27 ms. Allocated memory was 306.2 MB in the beginning and 499.1 MB in the end (delta: 192.9 MB). Free memory was 214.6 MB in the beginning and 421.4 MB in the end (delta: -206.8 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: __list_addErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s 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, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 623]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_emptyErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 636]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: __list_delErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 4224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 719]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s 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, 0.0s 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, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 2736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_10-08-45-660.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_10-08-45-660.csv Received shutdown request...