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_precise.epf -i ../../../trunk/examples/svcomp/memsafety/test-0134_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 05:42:20,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 05:42:20,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 05:42:20,018 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 05:42:20,018 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 05:42:20,019 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 05:42:20,020 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 05:42:20,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 05:42:20,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 05:42:20,025 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 05:42:20,026 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 05:42:20,026 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 05:42:20,026 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 05:42:20,027 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 05:42:20,028 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 05:42:20,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 05:42:20,033 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 05:42:20,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 05:42:20,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 05:42:20,037 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 05:42:20,040 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-21 05:42:20,040 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-21 05:42:20,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-21 05:42:20,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-21 05:42:20,042 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-21 05:42:20,043 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-21 05:42:20,043 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-21 05:42:20,044 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-21 05:42:20,044 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-21 05:42:20,044 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 05:42:20,045 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 05:42:20,046 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_precise.epf [2018-01-21 05:42:20,055 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 05:42:20,056 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 05:42:20,057 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 05:42:20,057 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 05:42:20,057 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 05:42:20,057 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 05:42:20,057 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 05:42:20,058 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 05:42:20,058 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 05:42:20,058 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 05:42:20,058 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 05:42:20,059 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 05:42:20,059 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 05:42:20,059 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 05:42:20,059 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 05:42:20,059 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 05:42:20,059 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 05:42:20,060 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 05:42:20,060 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 05:42:20,060 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 05:42:20,060 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 05:42:20,060 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 05:42:20,061 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 05:42:20,061 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 05:42:20,061 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 05:42:20,061 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 05:42:20,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 05:42:20,061 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 05:42:20,062 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 05:42:20,062 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 05:42:20,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 05:42:20,062 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 05:42:20,062 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 05:42:20,062 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 05:42:20,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 05:42:20,063 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 05:42:20,063 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 05:42:20,064 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 05:42:20,064 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 05:42:20,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 05:42:20,110 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 05:42:20,115 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 05:42:20,116 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 05:42:20,117 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 05:42:20,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0134_true-valid-memsafety.i [2018-01-21 05:42:20,319 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 05:42:20,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 05:42:20,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 05:42:20,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 05:42:20,331 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 05:42:20,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 05:42:20" (1/1) ... [2018-01-21 05:42:20,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb5cd73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:42:20, skipping insertion in model container [2018-01-21 05:42:20,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 05:42:20" (1/1) ... [2018-01-21 05:42:20,355 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 05:42:20,396 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 05:42:20,516 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 05:42:20,538 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 05:42:20,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:42:20 WrapperNode [2018-01-21 05:42:20,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 05:42:20,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 05:42:20,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 05:42:20,548 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 05:42:20,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:42:20" (1/1) ... [2018-01-21 05:42:20,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:42:20" (1/1) ... [2018-01-21 05:42:20,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:42:20" (1/1) ... [2018-01-21 05:42:20,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:42:20" (1/1) ... [2018-01-21 05:42:20,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:42:20" (1/1) ... [2018-01-21 05:42:20,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:42:20" (1/1) ... [2018-01-21 05:42:20,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:42:20" (1/1) ... [2018-01-21 05:42:20,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 05:42:20,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 05:42:20,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 05:42:20,589 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 05:42:20,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:42:20" (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 05:42:20,636 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 05:42:20,637 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 05:42:20,637 INFO L136 BoogieDeclarations]: Found implementation of procedure list_empty [2018-01-21 05:42:20,637 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-01-21 05:42:20,637 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-01-21 05:42:20,637 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-01-21 05:42:20,637 INFO L136 BoogieDeclarations]: Found implementation of procedure list_del [2018-01-21 05:42:20,637 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-01-21 05:42:20,638 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-01-21 05:42:20,638 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-01-21 05:42:20,638 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-01-21 05:42:20,638 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-01-21 05:42:20,638 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_seek_max [2018-01-21 05:42:20,638 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-01-21 05:42:20,639 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 05:42:20,639 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 05:42:20,639 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 05:42:20,639 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 05:42:20,639 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 05:42:20,639 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 05:42:20,640 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 05:42:20,640 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 05:42:20,640 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 05:42:20,640 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 05:42:20,640 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 05:42:20,640 INFO L128 BoogieDeclarations]: Found specification of procedure list_empty [2018-01-21 05:42:20,641 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-01-21 05:42:20,641 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-01-21 05:42:20,641 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-01-21 05:42:20,641 INFO L128 BoogieDeclarations]: Found specification of procedure list_del [2018-01-21 05:42:20,641 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-01-21 05:42:20,641 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-01-21 05:42:20,641 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-01-21 05:42:20,641 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-01-21 05:42:20,641 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-01-21 05:42:20,641 INFO L128 BoogieDeclarations]: Found specification of procedure gl_seek_max [2018-01-21 05:42:20,642 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-01-21 05:42:20,642 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 05:42:20,642 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 05:42:20,642 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 05:42:21,081 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 05:42:21,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 05:42:21 BoogieIcfgContainer [2018-01-21 05:42:21,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 05:42:21,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 05:42:21,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 05:42:21,086 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 05:42:21,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 05:42:20" (1/3) ... [2018-01-21 05:42:21,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b62b6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 05:42:21, skipping insertion in model container [2018-01-21 05:42:21,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:42:20" (2/3) ... [2018-01-21 05:42:21,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b62b6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 05:42:21, skipping insertion in model container [2018-01-21 05:42:21,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 05:42:21" (3/3) ... [2018-01-21 05:42:21,090 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0134_true-valid-memsafety.i [2018-01-21 05:42:21,097 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 05:42:21,103 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-21 05:42:21,144 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:21,144 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:21,144 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:21,144 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:21,144 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:21,144 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:21,144 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:21,145 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_addErr0EnsuresViolation======== [2018-01-21 05:42:21,145 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 05:42:21,173 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:21,174 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 05:42:21,174 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_addErr0EnsuresViolation]=== [2018-01-21 05:42:21,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1167701253, now seen corresponding path program 1 times [2018-01-21 05:42:21,179 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:21,219 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:21,220 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:21,220 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:21,220 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:21,287 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:21,545 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 05:42:21,548 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:21,548 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 05:42:21,548 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:21,552 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:21,566 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:21,567 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:21,569 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:21,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:21,630 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:21,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:21,632 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-21 05:42:21,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:21,636 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:21,637 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:21,640 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 05:42:21,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:21,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:21,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:21,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:21,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 05:42:21,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:21,660 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:21,660 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:21,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:21,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:42:21,715 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:21,715 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:21,715 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:42:21,716 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:42:21,716 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:42:21,716 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:42:21,716 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:42:21,716 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:21,716 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:21,716 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:42:21,716 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:21,716 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:21,717 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:42:21,717 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:42:21,717 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 05:42:21,717 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 05:42:21,717 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 05:42:21,717 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:21,717 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:21,717 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:42:21,717 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:21,717 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:21,717 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:21,718 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:21,718 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 05:42:21,718 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:21,718 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 05:42:21,718 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 05:42:21,718 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 05:42:21,718 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 05:42:21,718 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 05:42:21,718 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:21,718 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 05:42:21,718 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:42:21,718 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:42:21,719 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:21,719 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:21,719 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:42:21,719 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:21,719 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 05:42:21,719 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 05:42:21,719 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 05:42:21,719 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 05:42:21,719 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:21,719 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:21,719 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:21,720 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:42:21,720 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:42:21,720 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:21,720 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:21,720 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:42:21,720 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:21,720 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:21,720 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:42:21,720 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:21,720 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:21,720 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:42:21,720 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:21,721 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:21,721 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:42:21,721 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:42:21,721 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:21,721 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:42:21,721 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:42:21,721 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:21,721 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:42:21,721 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:42:21,721 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:42:21,721 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:21,721 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:21,721 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:42:21,722 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:21,722 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:21,722 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:42:21,722 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:42:21,722 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:21,722 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:42:21,722 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:42:21,722 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:21,722 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 05:42:21,722 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 05:42:21,722 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:21,722 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:21,723 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:21,723 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 05:42:21,723 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 05:42:21,723 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 05:42:21,723 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 05:42:21,723 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 05:42:21,723 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:21,723 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:42:21,723 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:42:21,723 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:42:21,723 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:42:21,723 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:21,723 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:42:21,724 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:21,724 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:42:21,724 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:42:21,724 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:42:21,724 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:42:21,724 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:21,724 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:42:21,724 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:21,724 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:21,724 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 05:42:21,724 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:21,724 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 05:42:21,725 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:21,725 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:21,725 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:42:21,725 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:21,725 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:42:21,725 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:42:21,725 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:21,725 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:21,725 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:42:21,725 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:21,725 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:21,725 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 05:42:21,725 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 05:42:21,726 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:42:21,726 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:21,726 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 05:42:21,726 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:21,726 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:21,726 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:21,726 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:21,726 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 05:42:21,726 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 05:42:21,726 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 05:42:21,726 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 05:42:21,726 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 05:42:21,726 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 05:42:21,727 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:21,727 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 05:42:21,727 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:42:21,727 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 05:42:21,727 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:21,730 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:21,730 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:21,730 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:21,730 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:21,731 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:21,731 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:21,731 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:21,731 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == val_from_nodeErr0EnsuresViolation======== [2018-01-21 05:42:21,731 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:21,733 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:21,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-21 05:42:21,736 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:21,737 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:42:21,737 INFO L371 AbstractCegarLoop]: === Iteration 1 === [val_from_nodeErr0EnsuresViolation]=== [2018-01-21 05:42:21,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1482429810, now seen corresponding path program 1 times [2018-01-21 05:42:21,737 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:21,738 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:21,738 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:21,738 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:21,738 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:21,756 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:21,886 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 05:42:21,887 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:21,887 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:21,887 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:21,888 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:21,888 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:21,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:21,888 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:21,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:21,935 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:21,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:21,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2018-01-21 05:42:21,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:21,936 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:21,936 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:21,938 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 05:42:21,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:21,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:21,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:21,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:21,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2018-01-21 05:42:21,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:21,939 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:21,939 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:21,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:21,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:21,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:42:22,002 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,003 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,003 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,003 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:42:22,003 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:42:22,003 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,003 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:42:22,003 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,004 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,004 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,004 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,004 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,004 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,004 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:42:22,004 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,004 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 05:42:22,005 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,005 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,005 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,005 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:42:22,005 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,005 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,005 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,005 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,005 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 05:42:22,006 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,006 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 05:42:22,006 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,006 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 05:42:22,006 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 05:42:22,006 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,006 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,006 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 05:42:22,006 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,007 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:42:22,007 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,007 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,007 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,008 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,008 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 05:42:22,008 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 05:42:22,008 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 05:42:22,009 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 05:42:22,009 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,009 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,009 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,009 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,009 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:42:22,009 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,009 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,009 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,010 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,010 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,010 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:42:22,010 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,010 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,010 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:42:22,010 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,010 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,010 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:42:22,011 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:42:22,011 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,011 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,011 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,011 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,011 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:42:22,011 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,011 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:42:22,011 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,012 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,012 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:42:22,012 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,012 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,012 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,012 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,012 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,012 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,012 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:42:22,013 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,013 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,013 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,013 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,013 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,013 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,013 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 05:42:22,013 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 05:42:22,013 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,014 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,014 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,014 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,014 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,014 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:42:22,014 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:42:22,014 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,014 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,014 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:42:22,014 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,015 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,015 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:42:22,015 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:42:22,015 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,015 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,015 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,015 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,015 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,015 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 05:42:22,016 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,016 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 05:42:22,016 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,016 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,016 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,016 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,016 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,016 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:42:22,017 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,017 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,017 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:42:22,017 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,017 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,017 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,017 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,017 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,018 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,018 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 05:42:22,018 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,018 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,018 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,018 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,018 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 05:42:22,018 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,018 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 05:42:22,019 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 05:42:22,019 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 05:42:22,019 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,019 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,019 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 05:42:22,019 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:42:22,019 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 05:42:22,019 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,021 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:22,021 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:22,021 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:22,021 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:22,021 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:22,021 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:22,022 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:22,022 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_sortErr0EnsuresViolation======== [2018-01-21 05:42:22,022 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:22,024 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-21 05:42:22,025 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:22,025 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 05:42:22,025 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_sortErr0EnsuresViolation]=== [2018-01-21 05:42:22,026 INFO L82 PathProgramCache]: Analyzing trace with hash 595467956, now seen corresponding path program 1 times [2018-01-21 05:42:22,026 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:22,027 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,027 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:22,027 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,027 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:22,039 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:22,099 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 05:42:22,099 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:22,099 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:22,099 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:22,100 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:22,100 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:22,100 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:22,100 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:22,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:22,142 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:22,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:22,142 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-21 05:42:22,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:22,143 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:22,143 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:22,144 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 05:42:22,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:22,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:22,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:22,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:22,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-21 05:42:22,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:22,146 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:22,146 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:22,146 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:22,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:22,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:42:22,178 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,178 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,178 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,178 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:42:22,178 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:42:22,178 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,179 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:42:22,179 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,179 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,179 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,179 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,179 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,179 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,179 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:42:22,179 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,179 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 05:42:22,179 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,179 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,179 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,179 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:42:22,179 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,180 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,180 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,180 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,180 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 05:42:22,180 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,180 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 05:42:22,180 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,180 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 05:42:22,180 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 05:42:22,180 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,180 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,180 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 05:42:22,180 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,180 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:42:22,181 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,181 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,181 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,181 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,181 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 05:42:22,181 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 05:42:22,181 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 05:42:22,181 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 05:42:22,181 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,181 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,181 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,181 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,181 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:42:22,181 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,182 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,183 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,184 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:42:22,184 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,184 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,184 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,184 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,184 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,184 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,184 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 05:42:22,184 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 05:42:22,184 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,184 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,184 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,184 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,184 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,185 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:42:22,185 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:42:22,185 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,185 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,185 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:42:22,185 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,185 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,185 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:42:22,185 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:42:22,185 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,185 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,185 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,185 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,185 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,186 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 05:42:22,186 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,186 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 05:42:22,186 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,186 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,186 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,186 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,186 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,186 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:42:22,186 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,186 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,186 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:42:22,186 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,186 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,187 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,187 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,187 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,187 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,187 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 05:42:22,187 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,187 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,187 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,187 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,187 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 05:42:22,187 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,187 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 05:42:22,187 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 05:42:22,187 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 05:42:22,187 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,188 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,188 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 05:42:22,188 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:42:22,188 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 05:42:22,188 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,189 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:22,189 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:22,190 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:22,190 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:22,190 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:22,190 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:22,190 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:22,190 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_emptyErr0EnsuresViolation======== [2018-01-21 05:42:22,190 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 05:42:22,193 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:22,193 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 05:42:22,193 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_emptyErr0EnsuresViolation]=== [2018-01-21 05:42:22,194 INFO L82 PathProgramCache]: Analyzing trace with hash 26295380, now seen corresponding path program 1 times [2018-01-21 05:42:22,194 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:22,195 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,195 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:22,195 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,195 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:22,208 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:22,264 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 05:42:22,264 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:22,265 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:22,265 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:22,265 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:22,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:22,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:22,265 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:22,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:22,302 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:22,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:22,302 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-21 05:42:22,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:22,302 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:22,303 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:22,304 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 05:42:22,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:22,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:22,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:22,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:22,304 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-01-21 05:42:22,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:22,305 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:22,305 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:22,305 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:22,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:22,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:42:22,333 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,333 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,333 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,333 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:42:22,333 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:42:22,333 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,333 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:42:22,334 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,334 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,334 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,334 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,334 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,334 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,334 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:42:22,334 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,334 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 05:42:22,334 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,335 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,335 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,335 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:42:22,335 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,335 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,335 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,335 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,335 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 05:42:22,335 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,335 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 05:42:22,335 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,335 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 05:42:22,335 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 05:42:22,336 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,336 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,336 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 05:42:22,336 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,336 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:42:22,336 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,336 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,336 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,336 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,336 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 05:42:22,336 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 05:42:22,336 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 05:42:22,336 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 05:42:22,336 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,336 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,337 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:42:22,337 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,338 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 05:42:22,339 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,339 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,340 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:42:22,340 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:42:22,340 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,340 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,340 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:42:22,340 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,340 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,340 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:42:22,340 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:42:22,340 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,340 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,340 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,340 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,340 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,341 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 05:42:22,341 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,341 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 05:42:22,341 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,341 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,341 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,341 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,341 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,341 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:42:22,341 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,341 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,341 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:42:22,341 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,341 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,342 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,342 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,342 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,342 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,342 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 05:42:22,342 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,342 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,342 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,342 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,342 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 05:42:22,342 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,342 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 05:42:22,342 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 05:42:22,342 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 05:42:22,342 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,343 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,343 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 05:42:22,343 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:42:22,343 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 05:42:22,343 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,344 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:22,345 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:22,345 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:22,345 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:22,345 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:22,345 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:22,345 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:22,345 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 05:42:22,345 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:22,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 05:42:22,348 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:22,348 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 05:42:22,349 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 05:42:22,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1641899247, now seen corresponding path program 1 times [2018-01-21 05:42:22,349 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:22,350 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,350 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:22,350 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,350 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:22,361 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:22,434 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 05:42:22,434 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:22,434 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:22,435 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:22,435 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:22,435 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:22,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:22,436 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:22,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:22,466 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:22,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:22,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-21 05:42:22,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:22,467 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:22,467 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:22,468 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 05:42:22,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:22,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:22,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:22,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 05:42:22,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:22,468 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:22,468 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:22,469 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:22,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:22,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:42:22,520 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,520 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,520 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,520 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:42:22,520 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:42:22,521 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,521 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:42:22,521 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,521 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,521 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,521 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,521 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,521 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,521 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:42:22,521 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,521 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 05:42:22,521 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,521 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,521 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,521 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:42:22,522 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,522 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,522 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,522 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,522 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 05:42:22,522 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,522 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 05:42:22,522 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,522 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 05:42:22,522 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 05:42:22,522 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,522 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,522 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 05:42:22,522 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,522 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,523 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 05:42:22,523 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 05:42:22,523 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,523 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,523 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,524 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,525 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,526 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,526 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,526 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 05:42:22,526 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 05:42:22,526 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,526 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,526 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,526 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,526 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,526 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:42:22,526 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:42:22,526 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,526 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,526 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:42:22,526 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,526 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:42:22,527 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:42:22,527 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 05:42:22,527 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 05:42:22,527 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,527 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:42:22,528 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,528 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,528 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:42:22,528 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,528 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,528 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,528 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,528 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,528 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,528 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 05:42:22,529 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,529 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,529 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,529 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,529 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 05:42:22,529 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,529 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 05:42:22,529 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 05:42:22,529 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 05:42:22,529 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,530 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,530 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 05:42:22,530 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:42:22,530 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 05:42:22,530 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,532 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:22,532 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:22,532 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:22,532 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:22,532 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:22,532 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:22,532 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:22,532 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_delErr0EnsuresViolation======== [2018-01-21 05:42:22,533 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 05:42:22,537 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:22,537 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:42:22,537 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_delErr0EnsuresViolation]=== [2018-01-21 05:42:22,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1178303605, now seen corresponding path program 1 times [2018-01-21 05:42:22,538 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:22,538 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,539 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:22,539 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,539 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:22,551 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:22,628 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 05:42:22,629 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:22,629 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:22,629 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:22,629 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:22,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:22,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:22,630 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:22,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:22,678 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:22,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:22,678 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-01-21 05:42:22,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:22,679 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:22,679 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:22,679 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 05:42:22,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:22,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:22,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:22,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-01-21 05:42:22,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:22,680 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:22,680 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:22,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:22,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:42:22,730 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,730 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,730 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,730 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:42:22,730 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:42:22,730 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,730 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:42:22,731 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,731 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,731 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,731 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,731 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,731 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,731 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:42:22,731 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,732 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 05:42:22,732 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,732 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,732 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,732 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:42:22,732 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,732 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,732 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,732 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,732 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 05:42:22,733 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,733 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 05:42:22,733 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,733 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 05:42:22,733 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 05:42:22,733 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,733 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,733 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 05:42:22,733 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,733 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:42:22,733 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,734 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,734 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,734 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,734 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 05:42:22,734 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 05:42:22,734 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 05:42:22,734 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 05:42:22,734 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,734 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,734 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,734 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,735 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:42:22,735 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,735 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,735 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,735 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,735 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,735 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:42:22,735 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,735 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,735 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:42:22,735 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,736 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,736 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:42:22,736 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:42:22,736 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,736 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,736 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,736 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,736 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:42:22,736 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,736 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,737 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,737 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,738 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,738 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,738 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,738 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 05:42:22,738 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 05:42:22,738 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,738 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,738 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,738 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,738 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,738 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:42:22,738 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:42:22,738 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,738 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,738 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:42:22,738 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:42:22,739 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,739 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:42:22,740 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:42:22,740 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,740 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,740 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,740 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 05:42:22,741 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,741 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 05:42:22,741 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 05:42:22,741 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 05:42:22,741 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,741 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,741 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 05:42:22,741 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:42:22,741 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 05:42:22,741 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,742 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:22,742 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:22,742 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:22,742 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:22,742 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:22,742 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:22,742 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:22,743 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_readErr0EnsuresViolation======== [2018-01-21 05:42:22,743 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 05:42:22,744 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:22,744 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:42:22,744 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_readErr0EnsuresViolation]=== [2018-01-21 05:42:22,744 INFO L82 PathProgramCache]: Analyzing trace with hash -947257103, now seen corresponding path program 1 times [2018-01-21 05:42:22,745 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:22,745 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,745 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:22,745 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,745 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:22,752 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:22,790 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 05:42:22,790 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:22,790 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 05:42:22,790 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:22,790 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:22,790 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:22,791 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:22,791 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:22,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:22,811 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:22,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:22,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-01-21 05:42:22,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:22,812 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:22,812 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:22,813 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 05:42:22,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:22,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:22,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-01-21 05:42:22,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:22,814 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:22,814 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:22,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:22,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:42:22,842 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 05:42:22,843 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,844 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,844 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,844 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:42:22,844 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,844 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,844 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,844 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,844 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 05:42:22,844 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,844 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 05:42:22,844 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,844 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 05:42:22,844 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 05:42:22,844 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,844 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,844 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 05:42:22,845 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,845 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:42:22,845 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,845 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,845 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,845 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,845 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 05:42:22,845 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 05:42:22,845 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 05:42:22,845 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 05:42:22,845 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,845 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,845 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,845 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,845 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:42:22,845 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,846 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,847 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 05:42:22,848 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:42:22,848 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,848 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:42:22,848 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:42:22,849 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,849 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:42:22,850 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:42:22,850 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,850 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,850 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,850 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 05:42:22,851 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,851 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 05:42:22,851 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 05:42:22,851 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 05:42:22,851 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,851 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,851 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 05:42:22,851 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:42:22,851 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 05:42:22,851 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,852 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:22,852 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:22,852 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:22,853 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:22,853 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:22,853 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:22,853 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:22,853 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_destroyErr0EnsuresViolation======== [2018-01-21 05:42:22,853 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 05:42:22,855 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:22,855 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:42:22,855 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_destroyErr0EnsuresViolation]=== [2018-01-21 05:42:22,855 INFO L82 PathProgramCache]: Analyzing trace with hash -929230515, now seen corresponding path program 1 times [2018-01-21 05:42:22,855 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:22,856 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,856 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:22,856 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,856 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:22,863 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:22,942 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 05:42:22,942 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:22,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:22,943 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:22,943 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:22,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:22,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:22,943 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:22,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:22,962 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:22,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:22,962 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 05:42:22,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:22,962 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:22,962 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:22,963 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 05:42:22,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:22,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:22,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:22,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 05:42:22,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:22,964 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:22,964 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:22,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:22,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:42:22,981 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:42:22,981 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,982 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 05:42:22,982 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,982 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,982 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,982 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:42:22,982 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 05:42:22,982 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,982 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,982 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,982 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 05:42:22,982 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,982 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 05:42:22,982 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 05:42:22,982 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 05:42:22,982 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 05:42:22,982 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 05:42:22,983 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 05:42:22,983 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,984 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:42:22,985 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:42:22,985 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 05:42:22,986 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:42:22,986 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,986 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,987 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:42:22,987 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:42:22,987 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:42:22,987 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:42:22,987 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:42:22,987 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,987 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,987 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:42:22,987 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,987 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:42:22,987 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 05:42:22,987 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,987 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 05:42:22,987 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,987 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 05:42:22,987 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,988 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 05:42:22,988 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,989 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 05:42:22,989 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 05:42:22,989 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 05:42:22,989 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 05:42:22,989 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 05:42:22,989 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 05:42:22,989 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 05:42:22,989 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 05:42:22,989 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:42:22,989 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 05:42:22,989 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 05:42:22,990 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:22,990 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:22,990 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:22,991 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:22,991 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:22,991 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:22,991 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:22,991 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 05:42:22,991 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:22,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-01-21 05:42:22,993 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:22,993 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-01-21 05:42:22,994 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 05:42:22,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1636836312, now seen corresponding path program 1 times [2018-01-21 05:42:22,994 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:22,995 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,995 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:22,995 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:22,995 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 05:42:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 05:42:23,022 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 05:42:23,026 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 05:42:23,030 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 05:42:23,030 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 05:42:23,030 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 05:42:23,031 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 05:42:23,033 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:23,033 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:23,033 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:23,033 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:23,034 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:23,034 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:23,034 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:23,034 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_delErr0EnsuresViolation======== [2018-01-21 05:42:23,034 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:23,035 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-01-21 05:42:23,037 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:23,037 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:42:23,037 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_delErr0EnsuresViolation]=== [2018-01-21 05:42:23,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1099159158, now seen corresponding path program 1 times [2018-01-21 05:42:23,037 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:23,038 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,038 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:23,038 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,038 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:23,048 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:23,113 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 05:42:23,113 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:23,113 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:23,113 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:23,114 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:23,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:23,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:23,114 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:23,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:23,135 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:23,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:23,135 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-01-21 05:42:23,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:23,135 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:23,135 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:23,136 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 05:42:23,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:23,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:23,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2018-01-21 05:42:23,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:23,137 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:23,137 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:23,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:23,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:23,139 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:23,139 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:23,139 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:23,139 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:23,139 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:23,139 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:23,139 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:23,139 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_moveErr0EnsuresViolation======== [2018-01-21 05:42:23,140 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:23,141 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:23,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-01-21 05:42:23,143 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:23,143 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:42:23,143 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_moveErr0EnsuresViolation]=== [2018-01-21 05:42:23,143 INFO L82 PathProgramCache]: Analyzing trace with hash -2026433964, now seen corresponding path program 1 times [2018-01-21 05:42:23,143 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:23,144 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,144 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:23,144 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,145 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:23,154 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:23,212 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 05:42:23,212 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:23,212 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:23,212 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:23,212 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:23,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:23,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:23,213 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:23,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:23,230 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:23,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:23,230 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-01-21 05:42:23,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:23,230 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:23,231 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:23,231 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 05:42:23,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:23,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:23,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:23,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:23,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-01-21 05:42:23,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:23,232 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:23,232 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:23,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:23,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:23,234 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:23,234 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:23,234 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:23,234 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:23,234 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:23,234 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:23,234 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:23,234 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_addErr0EnsuresViolation======== [2018-01-21 05:42:23,234 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:23,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 05:42:23,236 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:23,236 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 05:42:23,236 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_addErr0EnsuresViolation]=== [2018-01-21 05:42:23,237 INFO L82 PathProgramCache]: Analyzing trace with hash -2047724681, now seen corresponding path program 1 times [2018-01-21 05:42:23,237 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:23,237 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,237 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:23,238 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,238 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:23,244 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:23,291 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 05:42:23,292 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:23,292 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:23,292 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:23,292 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:23,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:23,293 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:23,293 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:23,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:23,310 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:23,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:23,311 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-01-21 05:42:23,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:23,312 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:23,312 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:23,312 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 05:42:23,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:23,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:23,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:23,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 05:42:23,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:23,313 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:23,314 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:23,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:23,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:23,315 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:23,315 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:23,315 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:23,315 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:23,315 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:23,316 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:23,316 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:23,316 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 05:42:23,316 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 05:42:23,318 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:23,319 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 05:42:23,319 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 05:42:23,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1612173024, now seen corresponding path program 1 times [2018-01-21 05:42:23,319 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:23,320 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,320 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:23,320 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,320 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:23,327 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:23,394 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 05:42:23,395 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:23,395 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:23,395 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:23,395 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:23,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:23,395 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:23,395 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:23,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:23,414 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:23,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:23,415 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-21 05:42:23,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:23,415 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:23,415 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:23,416 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:23,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:23,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:23,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:23,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 05:42:23,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:23,417 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:23,417 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:23,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:23,419 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:23,419 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:23,419 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:23,419 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:23,419 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:23,419 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:23,419 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:23,419 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_insertErr0EnsuresViolation======== [2018-01-21 05:42:23,419 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:23,421 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-21 05:42:23,422 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:23,422 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 05:42:23,422 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_insertErr0EnsuresViolation]=== [2018-01-21 05:42:23,422 INFO L82 PathProgramCache]: Analyzing trace with hash -768391087, now seen corresponding path program 1 times [2018-01-21 05:42:23,422 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:23,423 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,423 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:23,424 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,424 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:23,431 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:23,484 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 05:42:23,485 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:23,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:23,485 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:23,485 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:23,485 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:23,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:23,486 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:23,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:23,505 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:23,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:23,506 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-21 05:42:23,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:23,507 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:23,507 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:23,507 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 05:42:23,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:23,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:23,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:23,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-21 05:42:23,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:23,508 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:23,509 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:23,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:23,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:23,510 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:42:23,510 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:42:23,510 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:42:23,510 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:42:23,510 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:42:23,511 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:42:23,511 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:42:23,511 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_seek_maxErr0EnsuresViolation======== [2018-01-21 05:42:23,511 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:42:23,512 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:42:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-21 05:42:23,513 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:42:23,514 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:42:23,514 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_seek_maxErr0EnsuresViolation]=== [2018-01-21 05:42:23,514 INFO L82 PathProgramCache]: Analyzing trace with hash 865447086, now seen corresponding path program 1 times [2018-01-21 05:42:23,514 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:42:23,515 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,515 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:42:23,515 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:42:23,515 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:42:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:42:23,522 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:42:23,570 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 05:42:23,571 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:42:23,571 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:42:23,571 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:42:23,571 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:42:23,572 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:42:23,572 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:42:23,572 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:42:23,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:42:23,600 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 05:42:23,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:42:23,601 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-01-21 05:42:23,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:42:23,601 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:42:23,601 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:42:23,602 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 05:42:23,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:42:23,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:42:23,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:42:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:42:23,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-01-21 05:42:23,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:42:23,603 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:42:23,603 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:42:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:42:23,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:42:23,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 05:42:23 BoogieIcfgContainer [2018-01-21 05:42:23,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 05:42:23,608 INFO L168 Benchmark]: Toolchain (without parser) took 3287.95 ms. Allocated memory was 300.9 MB in the beginning and 515.4 MB in the end (delta: 214.4 MB). Free memory was 259.3 MB in the beginning and 426.2 MB in the end (delta: -166.9 MB). Peak memory consumption was 47.5 MB. Max. memory is 5.3 GB. [2018-01-21 05:42:23,609 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 300.9 MB. Free memory is still 265.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 05:42:23,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.42 ms. Allocated memory is still 300.9 MB. Free memory was 258.3 MB in the beginning and 247.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 5.3 GB. [2018-01-21 05:42:23,610 INFO L168 Benchmark]: Boogie Preprocessor took 40.78 ms. Allocated memory is still 300.9 MB. Free memory was 247.0 MB in the beginning and 244.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-01-21 05:42:23,610 INFO L168 Benchmark]: RCFGBuilder took 492.98 ms. Allocated memory is still 300.9 MB. Free memory was 244.0 MB in the beginning and 210.3 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 5.3 GB. [2018-01-21 05:42:23,611 INFO L168 Benchmark]: TraceAbstraction took 2523.63 ms. Allocated memory was 300.9 MB in the beginning and 515.4 MB in the end (delta: 214.4 MB). Free memory was 210.3 MB in the beginning and 426.2 MB in the end (delta: -215.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 05:42:23,613 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 300.9 MB. Free memory is still 265.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 222.42 ms. Allocated memory is still 300.9 MB. Free memory was 258.3 MB in the beginning and 247.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.78 ms. Allocated memory is still 300.9 MB. Free memory was 247.0 MB in the beginning and 244.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 492.98 ms. Allocated memory is still 300.9 MB. Free memory was 244.0 MB in the beginning and 210.3 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2523.63 ms. Allocated memory was 300.9 MB in the beginning and 515.4 MB in the end (delta: 214.4 MB). Free memory was 210.3 MB in the beginning and 426.2 MB in the end (delta: -215.8 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: __list_addErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 684]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: val_from_nodeErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 3321 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 703]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_sortErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 623]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_emptyErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 714]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2001 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 636]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: __list_delErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 4224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 669]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_readErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 676]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_destroyErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1716 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: IVAL [\old(gl_list)=null, \old(gl_list)=null, gl_list={14:12}] [L660] FCALL struct list_head gl_list = { &(gl_list), &(gl_list) }; VAL [\old(gl_list)=null, \old(gl_list)=null, gl_list={11:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 645]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_delErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 4929 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 651]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_moveErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 6656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 641]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_addErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1904 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 2201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 661]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_insertErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 2100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 688]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_seek_maxErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 2625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_05-42-23-626.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-21_05-42-23-626.csv Received shutdown request...