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-0137_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 05:36:35,787 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 05:36:35,789 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 05:36:35,804 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 05:36:35,805 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 05:36:35,806 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 05:36:35,807 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 05:36:35,809 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 05:36:35,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 05:36:35,812 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 05:36:35,813 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 05:36:35,813 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 05:36:35,814 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 05:36:35,815 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 05:36:35,817 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 05:36:35,819 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 05:36:35,822 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 05:36:35,824 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 05:36:35,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 05:36:35,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 05:36:35,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 05:36:35,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 05:36:35,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 05:36:35,835 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 05:36:35,845 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 05:36:35,845 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 05:36:35,846 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 05:36:35,846 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 05:36:35,846 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 05:36:35,846 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 05:36:35,847 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 05:36:35,847 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 05:36:35,847 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 05:36:35,848 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 05:36:35,848 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 05:36:35,848 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 05:36:35,848 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 05:36:35,848 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 05:36:35,848 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 05:36:35,848 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 05:36:35,848 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 05:36:35,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 05:36:35,849 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 05:36:35,849 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 05:36:35,849 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 05:36:35,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 05:36:35,849 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 05:36:35,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 05:36:35,849 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 05:36:35,850 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 05:36:35,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 05:36:35,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 05:36:35,850 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 05:36:35,850 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 05:36:35,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 05:36:35,851 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 05:36:35,851 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 05:36:35,851 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 05:36:35,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 05:36:35,851 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 05:36:35,851 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 05:36:35,852 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 05:36:35,852 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 05:36:35,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 05:36:35,899 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 05:36:35,903 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 05:36:35,905 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 05:36:35,905 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 05:36:35,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0137_false-valid-deref.i [2018-01-21 05:36:36,147 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 05:36:36,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 05:36:36,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 05:36:36,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 05:36:36,159 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 05:36:36,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 05:36:36" (1/1) ... [2018-01-21 05:36:36,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e1729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:36:36, skipping insertion in model container [2018-01-21 05:36:36,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 05:36:36" (1/1) ... [2018-01-21 05:36:36,178 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 05:36:36,222 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 05:36:36,355 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 05:36:36,380 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 05:36:36,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:36:36 WrapperNode [2018-01-21 05:36:36,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 05:36:36,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 05:36:36,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 05:36:36,400 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 05:36:36,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:36:36" (1/1) ... [2018-01-21 05:36:36,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:36:36" (1/1) ... [2018-01-21 05:36:36,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:36:36" (1/1) ... [2018-01-21 05:36:36,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:36:36" (1/1) ... [2018-01-21 05:36:36,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:36:36" (1/1) ... [2018-01-21 05:36:36,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:36:36" (1/1) ... [2018-01-21 05:36:36,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:36:36" (1/1) ... [2018-01-21 05:36:36,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 05:36:36,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 05:36:36,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 05:36:36,453 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 05:36:36,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:36:36" (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 05:36:36,507 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 05:36:36,507 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 05:36:36,507 INFO L136 BoogieDeclarations]: Found implementation of procedure list_empty [2018-01-21 05:36:36,507 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-01-21 05:36:36,507 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-01-21 05:36:36,507 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-01-21 05:36:36,508 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-01-21 05:36:36,508 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-01-21 05:36:36,508 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-01-21 05:36:36,508 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-01-21 05:36:36,508 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-01-21 05:36:36,508 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_seek_max [2018-01-21 05:36:36,509 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-01-21 05:36:36,509 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 05:36:36,509 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 05:36:36,509 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 05:36:36,509 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 05:36:36,509 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 05:36:36,509 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 05:36:36,510 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 05:36:36,510 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 05:36:36,510 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 05:36:36,510 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 05:36:36,510 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 05:36:36,510 INFO L128 BoogieDeclarations]: Found specification of procedure list_empty [2018-01-21 05:36:36,511 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-01-21 05:36:36,511 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-01-21 05:36:36,511 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-01-21 05:36:36,511 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-01-21 05:36:36,511 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-01-21 05:36:36,511 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-01-21 05:36:36,512 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-01-21 05:36:36,512 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-01-21 05:36:36,512 INFO L128 BoogieDeclarations]: Found specification of procedure gl_seek_max [2018-01-21 05:36:36,512 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-01-21 05:36:36,512 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 05:36:36,512 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 05:36:36,512 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 05:36:37,013 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 05:36:37,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 05:36:37 BoogieIcfgContainer [2018-01-21 05:36:37,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 05:36:37,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 05:36:37,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 05:36:37,018 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 05:36:37,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 05:36:36" (1/3) ... [2018-01-21 05:36:37,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5f9008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 05:36:37, skipping insertion in model container [2018-01-21 05:36:37,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 05:36:36" (2/3) ... [2018-01-21 05:36:37,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5f9008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 05:36:37, skipping insertion in model container [2018-01-21 05:36:37,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 05:36:37" (3/3) ... [2018-01-21 05:36:37,022 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0137_false-valid-deref.i [2018-01-21 05:36:37,032 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 05:36:37,042 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2018-01-21 05:36:37,101 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:37,102 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:37,102 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:37,102 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:37,102 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:37,102 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:37,102 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:37,103 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_addErr0EnsuresViolation======== [2018-01-21 05:36:37,104 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 05:36:37,139 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:37,141 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 05:36:37,141 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_addErr0EnsuresViolation]=== [2018-01-21 05:36:37,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1496874194, now seen corresponding path program 1 times [2018-01-21 05:36:37,150 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:37,217 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:37,217 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:37,217 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:37,217 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:37,308 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:37,555 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 05:36:37,557 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:37,557 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 05:36:37,557 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:37,560 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:37,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:37,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:37,573 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:37,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:37,627 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:37,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:37,629 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-21 05:36:37,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:37,636 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:37,636 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:37,641 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 05:36:37,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:37,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:37,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:37,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 05:36:37,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:37,666 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:37,666 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:37,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:37,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:37,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:36:37,722 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:37,722 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:37,722 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:36:37,722 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:36:37,722 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:36:37,722 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:36:37,723 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:36:37,723 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:37,723 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:37,723 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:36:37,723 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:37,723 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:37,723 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:36:37,723 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:36:37,723 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:37,723 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 05:36:37,723 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:37,724 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:37,724 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 05:36:37,724 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:37,724 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:37,724 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 05:36:37,724 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:37,724 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:37,724 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:37,724 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 05:36:37,724 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:37,724 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 05:36:37,724 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 05:36:37,725 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 05:36:37,725 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 05:36:37,725 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 05:36:37,725 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 05:36:37,725 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 05:36:37,725 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 05:36:37,725 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 05:36:37,725 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:37,725 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:36:37,725 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:37,726 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 05:36:37,726 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 05:36:37,726 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:37,726 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:36:37,726 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:36:37,726 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:37,726 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:37,726 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:36:37,726 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:37,726 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:36:37,726 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:36:37,726 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:37,727 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:37,727 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:36:37,727 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:37,727 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 05:36:37,727 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 05:36:37,727 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:37,727 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 05:36:37,727 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 05:36:37,727 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:37,727 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:37,727 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:37,727 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:36:37,728 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:37,728 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:37,728 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:36:37,728 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:37,728 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:37,728 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:36:37,728 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:36:37,728 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:37,728 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:36:37,728 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:36:37,728 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:37,729 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:36:37,729 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:36:37,729 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:36:37,729 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:37,729 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:37,729 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:36:37,729 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:37,729 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:37,729 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:36:37,729 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:36:37,730 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:37,730 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:36:37,730 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:36:37,730 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:37,730 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:37,730 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:36:37,730 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:36:37,730 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:36:37,730 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:36:37,730 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:37,730 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:36:37,730 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:37,730 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:36:37,731 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:36:37,731 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:36:37,731 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:36:37,731 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:37,731 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:36:37,731 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:37,731 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:37,731 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 05:36:37,731 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:37,731 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 05:36:37,731 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:37,731 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:37,732 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:36:37,732 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:37,732 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:36:37,732 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:36:37,732 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:37,732 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:37,732 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:36:37,732 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:37,732 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:37,732 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 05:36:37,732 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 05:36:37,732 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:36:37,733 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:37,733 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 05:36:37,733 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:37,733 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:37,733 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 05:36:37,733 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 05:36:37,733 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 05:36:37,733 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 05:36:37,733 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 05:36:37,733 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 05:36:37,733 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:37,733 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:37,734 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:36:37,734 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 05:36:37,734 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 05:36:37,734 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:37,734 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 05:36:37,734 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:37,738 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:37,738 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:37,738 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:37,738 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:37,738 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:37,738 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:37,738 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:37,738 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == val_from_nodeErr0EnsuresViolation======== [2018-01-21 05:36:37,738 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:37,741 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-01-21 05:36:37,744 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:37,744 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:36:37,744 INFO L371 AbstractCegarLoop]: === Iteration 1 === [val_from_nodeErr0EnsuresViolation]=== [2018-01-21 05:36:37,744 INFO L82 PathProgramCache]: Analyzing trace with hash -960956095, now seen corresponding path program 1 times [2018-01-21 05:36:37,744 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:37,745 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:37,745 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:37,745 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:37,746 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:37,767 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:37,890 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 05:36:37,979 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:37,979 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:36:37,979 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:37,979 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:37,980 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:37,980 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:37,980 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:38,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:38,009 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:38,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:38,010 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-01-21 05:36:38,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:38,011 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:38,011 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:38,012 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 05:36:38,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:38,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:38,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-01-21 05:36:38,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:38,014 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:38,014 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:38,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:38,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:36:38,067 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,068 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,068 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:36:38,068 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:36:38,068 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:36:38,068 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:36:38,068 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:36:38,068 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,068 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,068 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:36:38,068 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,068 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,069 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:36:38,069 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:36:38,069 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:38,069 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 05:36:38,069 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,069 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,069 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 05:36:38,069 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,069 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,069 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,069 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,070 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:38,070 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,070 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 05:36:38,070 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,070 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,070 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 05:36:38,070 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 05:36:38,070 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 05:36:38,070 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 05:36:38,070 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 05:36:38,070 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,070 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,071 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,071 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,071 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:36:38,071 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,071 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,071 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,071 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,071 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:36:38,071 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:36:38,071 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,071 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,071 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:36:38,072 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,072 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:36:38,072 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:36:38,072 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,072 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,072 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:36:38,072 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,072 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 05:36:38,072 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 05:36:38,072 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,072 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 05:36:38,072 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 05:36:38,072 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,073 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,073 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:38,073 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:36:38,073 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:38,073 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,073 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:36:38,073 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,073 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,073 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:36:38,073 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:36:38,073 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:38,074 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,074 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,074 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:38,074 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:36:38,074 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,074 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:36:38,074 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,074 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,074 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:36:38,074 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,075 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,075 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,075 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,075 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,075 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,075 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:36:38,075 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,075 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,075 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,075 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:36:38,075 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:36:38,076 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,076 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,076 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:36:38,076 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,076 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,076 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:36:38,076 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:36:38,076 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:36:38,076 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,076 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:36:38,076 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,076 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,076 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 05:36:38,077 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,077 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 05:36:38,077 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,077 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,077 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:36:38,077 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,077 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:36:38,077 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:36:38,077 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:38,077 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:38,077 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:36:38,078 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,078 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,078 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 05:36:38,078 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 05:36:38,078 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:36:38,078 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,078 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 05:36:38,078 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,079 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:38,079 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 05:36:38,079 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 05:36:38,079 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 05:36:38,079 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 05:36:38,079 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,079 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 05:36:38,079 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:38,079 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:38,080 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:36:38,080 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 05:36:38,080 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,080 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:38,080 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,080 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,082 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:38,082 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:38,083 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:38,083 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:38,083 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:38,083 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:38,083 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:38,083 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_sortErr0EnsuresViolation======== [2018-01-21 05:36:38,083 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:38,085 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:38,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-21 05:36:38,086 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:38,086 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 05:36:38,086 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_sortErr0EnsuresViolation]=== [2018-01-21 05:36:38,086 INFO L82 PathProgramCache]: Analyzing trace with hash -95720393, now seen corresponding path program 1 times [2018-01-21 05:36:38,087 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:38,087 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:38,088 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:38,088 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:38,088 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:38,101 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:38,182 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 05:36:38,182 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:38,182 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:36:38,182 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:38,182 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:38,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:38,183 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:38,183 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:38,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:38,246 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:38,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:38,247 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-21 05:36:38,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:38,247 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:38,247 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:38,248 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 05:36:38,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:38,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:38,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-21 05:36:38,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:38,249 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:38,249 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:38,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:38,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:38,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:36:38,286 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,286 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,286 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:36:38,287 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:36:38,287 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:36:38,287 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:36:38,287 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:36:38,287 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,287 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,287 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:36:38,287 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,287 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,287 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:36:38,287 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:36:38,287 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 05:36:38,288 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 05:36:38,289 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:36:38,289 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:36:38,290 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,290 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,290 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:36:38,290 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,290 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:36:38,290 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:36:38,290 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,290 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,290 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:36:38,290 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,290 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 05:36:38,290 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 05:36:38,290 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,290 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 05:36:38,291 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 05:36:38,291 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,291 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,291 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:38,291 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:36:38,291 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:38,291 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,291 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:36:38,291 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,292 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,292 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:36:38,292 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:36:38,292 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:38,292 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,292 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,292 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:38,292 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:36:38,293 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,293 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:36:38,293 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,293 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,293 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:36:38,293 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,293 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,293 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,293 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,294 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,294 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,294 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:36:38,294 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,294 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,294 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,294 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:36:38,294 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:36:38,294 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,294 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,294 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:36:38,295 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,295 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,295 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:36:38,295 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:36:38,295 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:36:38,295 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,295 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:36:38,295 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,295 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,295 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 05:36:38,295 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,295 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 05:36:38,295 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,296 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,296 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:36:38,296 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,296 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:36:38,296 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:36:38,296 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:38,296 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:38,296 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:36:38,296 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,297 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,297 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 05:36:38,297 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 05:36:38,297 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:36:38,297 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,297 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 05:36:38,297 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,297 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:38,297 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 05:36:38,298 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 05:36:38,298 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 05:36:38,298 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 05:36:38,298 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,298 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 05:36:38,298 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:38,298 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:38,298 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:36:38,298 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 05:36:38,298 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,298 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:38,298 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,298 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,301 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:38,301 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:38,301 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:38,301 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:38,301 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:38,301 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:38,301 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:38,301 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_emptyErr0EnsuresViolation======== [2018-01-21 05:36:38,302 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:38,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 05:36:38,305 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:38,306 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 05:36:38,306 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_emptyErr0EnsuresViolation]=== [2018-01-21 05:36:38,306 INFO L82 PathProgramCache]: Analyzing trace with hash -2104114177, now seen corresponding path program 1 times [2018-01-21 05:36:38,306 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:38,307 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:38,307 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:38,307 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:38,308 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:38,321 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:38,383 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 05:36:38,383 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:38,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:36:38,383 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:38,384 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:38,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:38,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:38,385 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:38,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:38,432 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:38,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:38,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-21 05:36:38,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:38,434 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:38,434 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:38,435 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 05:36:38,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:38,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:38,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-01-21 05:36:38,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:38,436 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:38,437 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:38,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:38,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:36:38,473 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,473 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,473 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:36:38,473 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:36:38,473 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:36:38,473 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,474 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 05:36:38,475 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,475 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,476 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,477 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:36:38,477 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,477 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 05:36:38,477 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 05:36:38,477 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,477 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 05:36:38,477 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 05:36:38,477 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,477 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,477 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:38,477 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:36:38,477 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:38,477 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,477 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:36:38,477 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,478 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,479 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,479 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,479 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,479 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,479 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:36:38,479 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,479 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,479 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,479 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:36:38,479 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:36:38,479 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,479 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,479 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:36:38,479 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,480 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,480 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:36:38,480 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:36:38,480 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:36:38,480 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,480 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:36:38,480 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,480 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,480 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 05:36:38,480 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,480 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 05:36:38,480 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,480 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,480 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:36:38,480 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:36:38,481 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:36:38,481 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,481 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:38,482 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 05:36:38,482 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 05:36:38,482 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 05:36:38,482 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 05:36:38,482 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,482 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 05:36:38,482 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:38,482 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:38,482 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:36:38,482 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 05:36:38,482 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,482 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:38,482 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,482 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,484 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:38,484 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:38,485 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:38,485 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:38,485 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:38,485 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:38,485 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:38,485 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_delErr0EnsuresViolation======== [2018-01-21 05:36:38,485 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:38,487 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 05:36:38,489 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:38,490 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:36:38,490 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_delErr0EnsuresViolation]=== [2018-01-21 05:36:38,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1363924563, now seen corresponding path program 1 times [2018-01-21 05:36:38,490 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:38,491 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:38,491 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:38,491 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:38,491 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:38,503 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:38,718 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 05:36:38,718 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:38,718 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:36:38,718 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:38,719 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:38,719 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:38,719 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:38,719 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:38,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:38,766 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:38,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:38,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-01-21 05:36:38,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:38,767 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:38,767 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:38,768 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:38,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:38,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:38,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:38,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-01-21 05:36:38,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:38,768 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:38,768 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:38,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:38,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:36:38,792 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,792 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:36:38,793 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:36:38,793 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:38,793 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 05:36:38,794 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 05:36:38,795 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:36:38,795 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:36:38,795 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,796 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,796 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:36:38,796 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:38,796 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:36:38,796 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:36:38,796 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,796 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,796 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:36:38,796 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:38,796 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 05:36:38,796 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 05:36:38,796 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,796 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 05:36:38,796 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 05:36:38,796 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:38,797 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:36:38,797 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,798 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:36:38,799 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:36:38,799 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,799 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,799 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:36:38,799 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:38,799 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:36:38,799 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:36:38,799 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:36:38,799 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:36:38,799 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,799 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:36:38,799 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,799 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:38,799 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 05:36:38,800 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:36:38,801 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,801 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 05:36:38,801 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,801 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:38,801 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 05:36:38,801 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 05:36:38,801 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 05:36:38,801 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 05:36:38,801 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,801 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 05:36:38,801 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:38,802 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:38,802 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:36:38,802 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 05:36:38,802 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,802 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:38,802 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 05:36:38,802 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:38,804 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:38,804 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:38,804 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:38,804 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:38,804 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:38,805 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:38,805 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:38,805 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 05:36:38,805 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 05:36:38,808 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:38,809 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 05:36:38,809 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 05:36:38,809 INFO L82 PathProgramCache]: Analyzing trace with hash 129010467, now seen corresponding path program 1 times [2018-01-21 05:36:38,809 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:38,810 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:38,810 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:38,810 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:38,810 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:38,820 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:38,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 05:36:38,931 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:38,931 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:36:38,932 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:38,932 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:38,932 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:38,932 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:38,933 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:38,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:38,975 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:38,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:38,976 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-21 05:36:38,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:38,977 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:38,977 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:38,977 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 05:36:38,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:38,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:38,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 05:36:38,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:38,979 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:38,979 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:38,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:38,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:36:39,026 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:39,027 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:39,027 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:36:39,027 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:36:39,027 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:36:39,027 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:36:39,027 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:36:39,027 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:39,028 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:39,028 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:36:39,028 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:39,028 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:39,028 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:36:39,028 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:36:39,028 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:39,028 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 05:36:39,028 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:39,028 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,029 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 05:36:39,029 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,029 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:39,029 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 05:36:39,029 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,029 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:39,029 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,029 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 05:36:39,029 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,029 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,029 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 05:36:39,030 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 05:36:39,030 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 05:36:39,030 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 05:36:39,030 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 05:36:39,030 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,030 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 05:36:39,030 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,030 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,030 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:36:39,030 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:39,030 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 05:36:39,031 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,031 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,031 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:36:39,031 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:36:39,031 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:39,031 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:39,031 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:36:39,031 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:39,031 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:36:39,031 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:36:39,031 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:39,032 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:39,032 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:36:39,032 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:39,032 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 05:36:39,032 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 05:36:39,032 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:39,032 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 05:36:39,032 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 05:36:39,032 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:39,032 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:39,032 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:39,033 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:36:39,033 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:39,033 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:39,033 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:36:39,033 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:39,033 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:39,033 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:36:39,033 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:36:39,033 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:39,033 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:36:39,034 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:36:39,034 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:39,034 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:36:39,034 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:36:39,034 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:36:39,034 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:39,034 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:39,034 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:36:39,034 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:39,034 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,034 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:36:39,035 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:36:39,035 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,035 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:36:39,035 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:36:39,035 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,035 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:39,035 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:36:39,035 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:36:39,035 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:36:39,035 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:36:39,036 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:39,036 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:36:39,036 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:39,036 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:36:39,036 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:36:39,036 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:36:39,036 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:36:39,036 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:39,036 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:36:39,036 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:39,036 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:39,037 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 05:36:39,037 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,037 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 05:36:39,037 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,037 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,037 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:36:39,037 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:39,037 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:36:39,037 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:36:39,037 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:39,037 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:39,038 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:36:39,038 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:39,038 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:39,038 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 05:36:39,038 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 05:36:39,038 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:36:39,038 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:39,038 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 05:36:39,038 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:39,038 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:39,038 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 05:36:39,039 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 05:36:39,039 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 05:36:39,039 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 05:36:39,039 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 05:36:39,039 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 05:36:39,039 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:39,039 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:39,039 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:36:39,039 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 05:36:39,039 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 05:36:39,040 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:39,040 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 05:36:39,040 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:39,041 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:39,041 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:39,041 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:39,042 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:39,042 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:39,042 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:39,042 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:39,042 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_readErr0EnsuresViolation======== [2018-01-21 05:36:39,042 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:39,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 05:36:39,045 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:39,045 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:36:39,045 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_readErr0EnsuresViolation]=== [2018-01-21 05:36:39,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1502029285, now seen corresponding path program 1 times [2018-01-21 05:36:39,045 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:39,046 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,046 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:39,046 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,046 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:39,054 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:39,112 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 05:36:39,112 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:39,112 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 05:36:39,112 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:39,112 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:39,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:39,113 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:39,113 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:39,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:39,136 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:39,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:39,136 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-01-21 05:36:39,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:39,136 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:39,137 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:39,137 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 05:36:39,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:39,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:39,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:39,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-01-21 05:36:39,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:39,138 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:39,138 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:39,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:39,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:36:39,161 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:36:39,162 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:36:39,162 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 05:36:39,163 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 05:36:39,164 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:39,164 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:36:39,165 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:39,165 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:36:39,165 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:36:39,165 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:39,165 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:39,165 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:36:39,165 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:39,165 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 05:36:39,165 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 05:36:39,165 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:39,165 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 05:36:39,165 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 05:36:39,165 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:39,165 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:39,165 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:36:39,166 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:36:39,166 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:36:39,167 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:36:39,167 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:39,168 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:36:39,168 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:39,168 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:36:39,168 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:36:39,168 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:36:39,168 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:36:39,168 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:39,168 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:36:39,168 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:39,168 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:39,168 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 05:36:39,168 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,168 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 05:36:39,168 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,168 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,168 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:39,169 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:39,169 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 05:36:39,170 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 05:36:39,170 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 05:36:39,170 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 05:36:39,170 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 05:36:39,170 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 05:36:39,170 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:39,170 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:39,170 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:36:39,170 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 05:36:39,170 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 05:36:39,170 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:39,170 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 05:36:39,170 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:39,171 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:39,172 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:39,172 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:39,172 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:39,172 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:39,172 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:39,172 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:39,172 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_destroyErr0EnsuresViolation======== [2018-01-21 05:36:39,172 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:39,173 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:39,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 05:36:39,174 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:39,174 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, 1] [2018-01-21 05:36:39,174 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_destroyErr0EnsuresViolation]=== [2018-01-21 05:36:39,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1862824386, now seen corresponding path program 1 times [2018-01-21 05:36:39,174 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:39,175 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,175 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:39,175 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,175 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:39,184 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:39,248 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 05:36:39,248 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:39,248 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:36:39,248 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:39,249 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:39,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:39,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:39,249 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:39,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:39,304 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:39,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:39,304 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 05:36:39,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:39,305 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:39,305 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:39,305 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 05:36:39,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:39,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:39,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:39,306 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 05:36:39,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:39,306 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:39,306 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:39,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:39,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 05:36:39,333 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 05:36:39,333 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point L713''''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L404 ceAbstractionStarter]: At program point L714'(line 714) the Hoare annotation is: true [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point L717'''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point L717''''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point L716'(line 716) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point L711'''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point L713''(lines 713 714) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point L711'''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 707 718) the Hoare annotation is: true [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point L711''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,334 INFO L401 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2018-01-21 05:36:39,335 INFO L404 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2018-01-21 05:36:39,335 INFO L404 ceAbstractionStarter]: At program point L713(lines 713 714) the Hoare annotation is: true [2018-01-21 05:36:39,335 INFO L401 ceAbstractionStarter]: For program point L715'(line 715) no Hoare annotation was computed. [2018-01-21 05:36:39,335 INFO L401 ceAbstractionStarter]: For program point L713'(line 713) no Hoare annotation was computed. [2018-01-21 05:36:39,335 INFO L401 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,335 INFO L401 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2018-01-21 05:36:39,335 INFO L401 ceAbstractionStarter]: For program point L711'(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,335 INFO L401 ceAbstractionStarter]: For program point L711''''(line 711) no Hoare annotation was computed. [2018-01-21 05:36:39,335 INFO L401 ceAbstractionStarter]: For program point L709'(lines 709 710) no Hoare annotation was computed. [2018-01-21 05:36:39,335 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 707 718) no Hoare annotation was computed. [2018-01-21 05:36:39,335 INFO L401 ceAbstractionStarter]: For program point L716''(line 716) no Hoare annotation was computed. [2018-01-21 05:36:39,335 INFO L401 ceAbstractionStarter]: For program point L717'(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,335 INFO L401 ceAbstractionStarter]: For program point L717''(line 717) no Hoare annotation was computed. [2018-01-21 05:36:39,336 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 05:36:39,336 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 05:36:39,336 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:39,336 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:39,336 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 05:36:39,336 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 05:36:39,336 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 05:36:39,336 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 05:36:39,336 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:39,336 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:39,336 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 05:36:39,336 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 05:36:39,337 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 719 725) the Hoare annotation is: true [2018-01-21 05:36:39,337 INFO L404 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2018-01-21 05:36:39,337 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:39,337 INFO L404 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2018-01-21 05:36:39,337 INFO L401 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2018-01-21 05:36:39,337 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:39,337 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 719 725) no Hoare annotation was computed. [2018-01-21 05:36:39,337 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:39,337 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 05:36:39,337 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 05:36:39,337 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:39,337 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 05:36:39,337 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:39,337 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 05:36:39,337 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 05:36:39,338 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,339 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 05:36:39,339 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 725) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 05:36:39,339 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,339 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:39,339 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 05:36:39,339 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 05:36:39,339 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 05:36:39,339 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 05:36:39,339 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:39,339 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 05:36:39,339 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 05:36:39,339 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 05:36:39,339 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 05:36:39,339 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 05:36:39,339 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 725) the Hoare annotation is: true [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 725) the Hoare annotation is: false [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 725) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 05:36:39,340 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 05:36:39,341 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:39,341 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 05:36:39,341 INFO L401 ceAbstractionStarter]: For program point L696'(line 696) no Hoare annotation was computed. [2018-01-21 05:36:39,341 INFO L401 ceAbstractionStarter]: For program point L700(lines 700 701) no Hoare annotation was computed. [2018-01-21 05:36:39,341 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 05:36:39,341 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:39,341 INFO L401 ceAbstractionStarter]: For program point L699'(line 699) no Hoare annotation was computed. [2018-01-21 05:36:39,341 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:39,341 INFO L404 ceAbstractionStarter]: At program point L698''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:39,341 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 706) the Hoare annotation is: true [2018-01-21 05:36:39,341 INFO L404 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2018-01-21 05:36:39,341 INFO L401 ceAbstractionStarter]: For program point L692''(lines 692 697) no Hoare annotation was computed. [2018-01-21 05:36:39,341 INFO L404 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2018-01-21 05:36:39,341 INFO L401 ceAbstractionStarter]: For program point L698'''''(line 698) no Hoare annotation was computed. [2018-01-21 05:36:39,341 INFO L401 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-01-21 05:36:39,342 INFO L401 ceAbstractionStarter]: For program point L698'''''''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:39,342 INFO L404 ceAbstractionStarter]: At program point L698''''''(lines 698 704) the Hoare annotation is: true [2018-01-21 05:36:39,342 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 05:36:39,342 INFO L404 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2018-01-21 05:36:39,342 INFO L401 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2018-01-21 05:36:39,342 INFO L401 ceAbstractionStarter]: For program point L698''(lines 698 704) no Hoare annotation was computed. [2018-01-21 05:36:39,342 INFO L401 ceAbstractionStarter]: For program point L698'(line 698) no Hoare annotation was computed. [2018-01-21 05:36:39,342 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 706) no Hoare annotation was computed. [2018-01-21 05:36:39,344 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:39,344 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:39,344 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:39,344 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:39,344 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:39,345 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:39,345 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:39,345 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 05:36:39,345 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:39,347 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-01-21 05:36:39,347 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:39,347 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-01-21 05:36:39,347 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 05:36:39,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1787616507, now seen corresponding path program 1 times [2018-01-21 05:36:39,348 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:39,348 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,349 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:39,349 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,349 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 05:36:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 05:36:39,383 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 05:36:39,390 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 05:36:39,395 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 05:36:39,396 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 05:36:39,396 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 05:36:39,396 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 05:36:39,400 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:39,400 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:39,400 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:39,400 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:39,400 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:39,400 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:39,400 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:39,400 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_moveErr0EnsuresViolation======== [2018-01-21 05:36:39,401 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:39,402 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-01-21 05:36:39,404 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:39,404 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:36:39,404 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_moveErr0EnsuresViolation]=== [2018-01-21 05:36:39,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1324071658, now seen corresponding path program 1 times [2018-01-21 05:36:39,404 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:39,405 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,405 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:39,405 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,405 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:39,415 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:39,521 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 05:36:39,522 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:39,522 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:36:39,522 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:39,522 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:39,523 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:39,523 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:39,524 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:39,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:39,547 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:39,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:39,547 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-01-21 05:36:39,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:39,547 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:39,547 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:39,548 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 05:36:39,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:39,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:39,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:39,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-01-21 05:36:39,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:39,548 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:39,549 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:39,549 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:39,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:39,550 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:39,550 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:39,550 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:39,550 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:39,550 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:39,550 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:39,550 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:39,550 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_addErr0EnsuresViolation======== [2018-01-21 05:36:39,550 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:39,551 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 05:36:39,552 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:39,552 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 05:36:39,552 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_addErr0EnsuresViolation]=== [2018-01-21 05:36:39,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1266152581, now seen corresponding path program 1 times [2018-01-21 05:36:39,552 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:39,553 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,553 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:39,553 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,553 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:39,561 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:39,605 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 05:36:39,606 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:39,606 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:36:39,606 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:39,606 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:39,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:39,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:39,607 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:39,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:39,627 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:39,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:39,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-01-21 05:36:39,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:39,628 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:39,629 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:39,629 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 05:36:39,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:39,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:39,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:39,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 05:36:39,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:39,631 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:39,631 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:39,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:39,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:39,634 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:39,634 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:39,634 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:39,634 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:39,634 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:39,634 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:39,634 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:39,635 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 05:36:39,635 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:39,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 05:36:39,638 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:39,638 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 05:36:39,638 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 05:36:39,638 INFO L82 PathProgramCache]: Analyzing trace with hash -574987241, now seen corresponding path program 1 times [2018-01-21 05:36:39,639 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:39,639 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,639 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:39,639 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,640 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:39,647 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:39,698 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 05:36:39,699 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:39,699 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:36:39,699 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:39,699 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:39,699 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:39,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:39,700 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:39,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:39,726 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:39,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:39,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-21 05:36:39,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:39,727 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:39,727 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:39,728 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 05:36:39,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:39,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:39,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 05:36:39,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:39,729 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:39,729 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:39,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:39,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:39,730 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:39,730 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:39,731 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:39,731 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:39,731 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:39,731 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:39,731 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:39,731 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_insertErr0EnsuresViolation======== [2018-01-21 05:36:39,731 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:39,733 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:39,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-21 05:36:39,733 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:39,733 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 05:36:39,734 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_insertErr0EnsuresViolation]=== [2018-01-21 05:36:39,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1296879942, now seen corresponding path program 1 times [2018-01-21 05:36:39,734 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:39,735 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,735 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:39,735 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,735 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:39,742 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:39,812 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 05:36:39,812 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:39,813 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:36:39,813 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:39,813 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:39,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:39,813 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:39,813 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:39,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:39,835 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:39,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:39,836 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-21 05:36:39,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:39,836 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:39,836 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:39,837 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:39,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:39,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:39,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:39,838 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-21 05:36:39,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:39,838 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:39,838 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:39,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:39,839 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 05:36:39,839 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 05:36:39,839 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 05:36:39,839 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 05:36:39,840 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 05:36:39,840 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 05:36:39,840 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 05:36:39,840 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_seek_maxErr0EnsuresViolation======== [2018-01-21 05:36:39,840 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 05:36:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 05:36:39,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-21 05:36:39,842 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 05:36:39,842 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 05:36:39,842 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_seek_maxErr0EnsuresViolation]=== [2018-01-21 05:36:39,842 INFO L82 PathProgramCache]: Analyzing trace with hash -779976669, now seen corresponding path program 1 times [2018-01-21 05:36:39,842 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 05:36:39,843 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,843 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 05:36:39,843 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 05:36:39,843 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 05:36:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 05:36:39,848 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 05:36:39,973 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 05:36:39,973 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 05:36:39,973 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 05:36:39,973 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 05:36:39,973 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 05:36:39,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 05:36:39,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:39,974 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 05:36:40,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 05:36:40,025 INFO L93 Difference]: Finished difference Result 139 states and 153 transitions. [2018-01-21 05:36:40,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 05:36:40,025 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-01-21 05:36:40,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 05:36:40,026 INFO L225 Difference]: With dead ends: 139 [2018-01-21 05:36:40,026 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 05:36:40,026 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 05:36:40,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 05:36:40,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 05:36:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 05:36:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 05:36:40,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-01-21 05:36:40,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 05:36:40,027 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 05:36:40,028 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 05:36:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 05:36:40,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 05:36:40,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 05:36:40 BoogieIcfgContainer [2018-01-21 05:36:40,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 05:36:40,031 INFO L168 Benchmark]: Toolchain (without parser) took 3883.70 ms. Allocated memory was 301.5 MB in the beginning and 511.7 MB in the end (delta: 210.2 MB). Free memory was 260.3 MB in the beginning and 448.6 MB in the end (delta: -188.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 5.3 GB. [2018-01-21 05:36:40,033 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 301.5 MB. Free memory is still 266.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 05:36:40,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.43 ms. Allocated memory is still 301.5 MB. Free memory was 260.3 MB in the beginning and 248.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-01-21 05:36:40,033 INFO L168 Benchmark]: Boogie Preprocessor took 53.12 ms. Allocated memory is still 301.5 MB. Free memory was 248.1 MB in the beginning and 246.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 05:36:40,034 INFO L168 Benchmark]: RCFGBuilder took 561.09 ms. Allocated memory is still 301.5 MB. Free memory was 246.1 MB in the beginning and 211.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. [2018-01-21 05:36:40,034 INFO L168 Benchmark]: TraceAbstraction took 3015.68 ms. Allocated memory was 301.5 MB in the beginning and 511.7 MB in the end (delta: 210.2 MB). Free memory was 211.2 MB in the beginning and 448.6 MB in the end (delta: -237.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 05:36:40,036 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 301.5 MB. Free memory is still 266.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 242.43 ms. Allocated memory is still 301.5 MB. Free memory was 260.3 MB in the beginning and 248.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 53.12 ms. Allocated memory is still 301.5 MB. Free memory was 248.1 MB in the beginning and 246.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 561.09 ms. Allocated memory is still 301.5 MB. Free memory was 246.1 MB in the beginning and 211.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3015.68 ms. Allocated memory was 301.5 MB in the beginning and 511.7 MB in the end (delta: 210.2 MB). Free memory was 211.2 MB in the beginning and 448.6 MB in the end (delta: -237.4 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: __list_addErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 684]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: val_from_nodeErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 3444 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 707]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_sortErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 623]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_emptyErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 636]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: __list_delErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 4224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 719]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2001 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 669]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_readErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 676]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_destroyErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 35 PreInvPairs, 35 NumberOfFragments, 33 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1716 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: IVAL [\old(gl_list)=null, \old(gl_list)=null, gl_list={14:12}] [L660] FCALL struct list_head gl_list = { &(gl_list), &(gl_list) }; VAL [\old(gl_list)=null, \old(gl_list)=null, gl_list={11:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 651]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_moveErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 6825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 641]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_addErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1904 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 2201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 661]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_insertErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 2100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 688]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_seek_maxErr0EnsuresViolation CFG has 14 procedures, 139 locations, 14 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 2736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_05-36-40-049.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0137_false-valid-deref.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_05-36-40-049.csv Received shutdown request...