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_preciseopt.epf -i ../../../trunk/examples/svcomp/memsafety/test-0134_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 08:24:24,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 08:24:24,961 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 08:24:24,973 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 08:24:24,973 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 08:24:24,974 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 08:24:24,975 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 08:24:24,977 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 08:24:24,979 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 08:24:24,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 08:24:24,980 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 08:24:24,980 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 08:24:24,981 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 08:24:24,982 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 08:24:24,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 08:24:24,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 08:24:24,988 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 08:24:24,990 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 08:24:24,991 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 08:24:24,992 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 08:24:24,995 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 08:24:25,000 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 08:24:25,000 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 08:24:25,000 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_preciseopt.epf [2018-01-21 08:24:25,010 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 08:24:25,011 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 08:24:25,011 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 08:24:25,012 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 08:24:25,012 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 08:24:25,012 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 08:24:25,012 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-21 08:24:25,012 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 08:24:25,013 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 08:24:25,013 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 08:24:25,014 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 08:24:25,014 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 08:24:25,014 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 08:24:25,014 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 08:24:25,014 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 08:24:25,014 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 08:24:25,015 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 08:24:25,015 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 08:24:25,015 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 08:24:25,015 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 08:24:25,015 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 08:24:25,016 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 08:24:25,016 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 08:24:25,016 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 08:24:25,016 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 08:24:25,016 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 08:24:25,017 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 08:24:25,017 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 08:24:25,017 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 08:24:25,017 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 08:24:25,017 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 08:24:25,018 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 08:24:25,018 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 08:24:25,018 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 08:24:25,018 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 08:24:25,018 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 08:24:25,018 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 08:24:25,019 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 08:24:25,019 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 08:24:25,020 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 08:24:25,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 08:24:25,065 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 08:24:25,069 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 08:24:25,070 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 08:24:25,071 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 08:24:25,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0134_true-valid-memsafety.i [2018-01-21 08:24:25,215 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 08:24:25,220 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 08:24:25,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 08:24:25,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 08:24:25,225 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 08:24:25,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:24:25" (1/1) ... [2018-01-21 08:24:25,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16486a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:24:25, skipping insertion in model container [2018-01-21 08:24:25,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:24:25" (1/1) ... [2018-01-21 08:24:25,243 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:24:25,281 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:24:25,407 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:24:25,432 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:24:25,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:24:25 WrapperNode [2018-01-21 08:24:25,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 08:24:25,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 08:24:25,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 08:24:25,447 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 08:24:25,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:24:25" (1/1) ... [2018-01-21 08:24:25,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:24:25" (1/1) ... [2018-01-21 08:24:25,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:24:25" (1/1) ... [2018-01-21 08:24:25,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:24:25" (1/1) ... [2018-01-21 08:24:25,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:24:25" (1/1) ... [2018-01-21 08:24:25,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:24:25" (1/1) ... [2018-01-21 08:24:25,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:24:25" (1/1) ... [2018-01-21 08:24:25,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 08:24:25,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 08:24:25,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 08:24:25,492 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 08:24:25,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:24:25" (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 08:24:25,539 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 08:24:25,540 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 08:24:25,540 INFO L136 BoogieDeclarations]: Found implementation of procedure list_empty [2018-01-21 08:24:25,540 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-01-21 08:24:25,540 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-01-21 08:24:25,540 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-01-21 08:24:25,540 INFO L136 BoogieDeclarations]: Found implementation of procedure list_del [2018-01-21 08:24:25,541 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-01-21 08:24:25,541 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-01-21 08:24:25,541 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-01-21 08:24:25,541 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-01-21 08:24:25,541 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-01-21 08:24:25,541 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_seek_max [2018-01-21 08:24:25,541 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-01-21 08:24:25,542 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 08:24:25,542 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 08:24:25,542 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 08:24:25,542 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 08:24:25,542 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 08:24:25,542 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 08:24:25,542 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 08:24:25,543 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 08:24:25,543 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 08:24:25,543 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 08:24:25,543 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 08:24:25,543 INFO L128 BoogieDeclarations]: Found specification of procedure list_empty [2018-01-21 08:24:25,543 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-01-21 08:24:25,543 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-01-21 08:24:25,544 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-01-21 08:24:25,544 INFO L128 BoogieDeclarations]: Found specification of procedure list_del [2018-01-21 08:24:25,544 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-01-21 08:24:25,544 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-01-21 08:24:25,544 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-01-21 08:24:25,544 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-01-21 08:24:25,544 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-01-21 08:24:25,544 INFO L128 BoogieDeclarations]: Found specification of procedure gl_seek_max [2018-01-21 08:24:25,544 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-01-21 08:24:25,544 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 08:24:25,544 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 08:24:25,545 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 08:24:25,990 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 08:24:25,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:24:25 BoogieIcfgContainer [2018-01-21 08:24:25,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 08:24:25,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 08:24:25,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 08:24:25,995 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 08:24:25,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 08:24:25" (1/3) ... [2018-01-21 08:24:25,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b78cb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:24:25, skipping insertion in model container [2018-01-21 08:24:25,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:24:25" (2/3) ... [2018-01-21 08:24:25,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b78cb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:24:25, skipping insertion in model container [2018-01-21 08:24:25,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:24:25" (3/3) ... [2018-01-21 08:24:25,999 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0134_true-valid-memsafety.i [2018-01-21 08:24:26,005 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 08:24:26,011 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-21 08:24:26,060 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:26,060 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:26,061 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:26,061 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:26,061 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:26,061 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:26,061 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:26,061 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_addErr0EnsuresViolation======== [2018-01-21 08:24:26,062 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:26,080 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:26,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 08:24:26,086 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:26,087 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:24:26,087 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_addErr0EnsuresViolation]=== [2018-01-21 08:24:26,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1167701253, now seen corresponding path program 1 times [2018-01-21 08:24:26,092 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:26,133 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:26,133 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:26,133 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:26,133 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:26,207 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:26,433 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 08:24:26,435 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:26,435 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 08:24:26,436 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:26,439 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:26,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:26,451 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:26,453 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:26,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:26,514 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:26,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:26,515 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-21 08:24:26,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:26,520 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:26,521 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:26,525 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 08:24:26,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:26,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:26,545 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 08:24:26,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:26,545 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:26,546 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:26,546 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:26,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:26,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:24:26,641 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:26,641 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:26,641 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:24:26,641 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:24:26,641 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:24:26,641 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:24:26,642 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:24:26,642 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:26,642 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:26,642 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:24:26,642 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:26,642 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:26,643 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:24:26,643 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:24:26,643 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 08:24:26,643 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 08:24:26,643 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 08:24:26,643 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:26,643 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:26,644 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:24:26,644 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:26,644 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:26,644 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:26,644 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:26,644 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 08:24:26,644 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:26,644 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 08:24:26,644 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 08:24:26,645 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 08:24:26,645 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 08:24:26,645 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 08:24:26,645 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:26,645 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 08:24:26,645 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:24:26,645 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:24:26,645 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:26,646 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:26,646 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:24:26,646 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:26,646 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 08:24:26,646 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 08:24:26,646 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 08:24:26,646 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 08:24:26,646 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:26,646 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:26,647 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:26,647 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:24:26,647 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:24:26,647 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:26,647 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:26,647 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:24:26,647 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:26,648 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:26,648 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:24:26,648 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:26,648 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:26,648 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:24:26,648 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:26,648 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:26,648 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:24:26,649 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:24:26,649 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:26,649 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:24:26,649 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:24:26,649 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:26,649 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:24:26,649 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:24:26,649 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:24:26,650 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:26,650 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:26,650 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:24:26,650 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:26,650 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,650 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:24:26,650 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:24:26,650 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,651 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:24:26,651 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:24:26,651 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,651 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 08:24:26,651 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 08:24:26,651 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:26,651 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:26,651 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:26,651 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 08:24:26,651 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 08:24:26,652 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 08:24:26,652 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 08:24:26,652 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 08:24:26,652 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:26,652 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:24:26,652 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:24:26,652 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:24:26,652 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:24:26,653 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:26,653 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:24:26,653 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:26,653 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:24:26,653 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:24:26,653 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:24:26,653 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:24:26,653 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:26,654 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:24:26,654 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:26,654 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:26,654 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 08:24:26,654 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,654 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 08:24:26,654 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,654 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,654 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:24:26,654 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:26,654 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:24:26,655 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:24:26,655 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:26,655 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:26,655 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:24:26,655 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:26,655 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:26,655 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 08:24:26,655 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 08:24:26,655 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:24:26,656 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:26,656 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 08:24:26,656 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:26,656 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:26,656 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:26,656 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:26,656 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 08:24:26,656 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 08:24:26,656 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 08:24:26,656 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 08:24:26,656 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 08:24:26,657 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 08:24:26,657 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:26,657 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 08:24:26,657 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:24:26,657 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 08:24:26,657 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:26,661 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:26,662 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:26,662 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:26,662 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:26,662 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:26,662 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:26,662 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:26,662 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == val_from_nodeErr0EnsuresViolation======== [2018-01-21 08:24:26,662 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:26,666 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:26,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-21 08:24:26,669 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:26,670 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:24:26,670 INFO L371 AbstractCegarLoop]: === Iteration 1 === [val_from_nodeErr0EnsuresViolation]=== [2018-01-21 08:24:26,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1482429810, now seen corresponding path program 1 times [2018-01-21 08:24:26,670 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:26,671 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:26,671 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:26,671 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:26,671 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:26,691 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:26,853 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 08:24:26,853 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:26,853 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:26,853 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:26,854 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:26,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:26,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:26,855 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:26,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:26,919 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:26,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:26,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2018-01-21 08:24:26,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:26,920 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:26,921 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:26,922 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 08:24:26,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:26,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:26,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:26,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2018-01-21 08:24:26,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:26,923 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:26,923 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:26,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:26,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:24:26,988 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:26,988 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:26,988 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:24:26,989 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:24:26,989 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:24:26,989 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:24:26,989 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:24:26,989 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:26,989 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:26,989 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:24:26,989 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:26,989 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:26,989 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:24:26,989 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:24:26,989 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 08:24:26,989 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 08:24:26,990 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 08:24:26,990 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:26,990 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:26,990 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:24:26,990 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:26,990 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:26,990 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:26,990 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:26,990 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 08:24:26,990 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:26,990 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 08:24:26,990 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 08:24:26,991 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 08:24:26,991 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 08:24:26,991 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 08:24:26,991 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:26,991 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 08:24:26,991 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:24:26,991 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:24:26,991 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:26,991 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:26,991 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:24:26,991 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:26,991 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 08:24:26,991 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 08:24:26,991 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 08:24:26,992 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 08:24:26,992 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:26,992 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:26,992 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:26,992 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:24:26,992 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:24:26,992 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:26,992 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:26,992 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:24:26,992 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:26,992 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:26,992 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:24:26,992 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:26,992 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:26,993 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:24:26,993 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:26,993 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:26,993 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:24:26,993 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:24:26,993 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:26,993 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:24:26,993 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:24:26,993 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:26,993 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:24:26,993 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:24:26,993 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:24:26,993 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:26,993 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:26,994 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:26,995 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:26,995 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 08:24:26,995 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 08:24:26,995 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 08:24:26,995 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 08:24:26,995 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 08:24:26,995 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:26,995 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:24:26,995 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:24:26,995 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:24:26,995 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:24:26,995 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:26,995 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:24:26,995 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:26,996 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:24:26,996 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:24:26,996 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:24:26,996 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:24:26,996 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:26,996 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:24:26,996 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:26,996 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:26,996 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 08:24:26,996 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,996 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 08:24:26,996 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,996 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:26,996 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:24:26,997 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:26,997 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:24:26,997 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:24:26,997 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:26,997 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:26,997 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:24:26,997 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:26,997 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:26,997 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 08:24:26,997 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 08:24:26,997 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:24:26,998 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:26,998 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 08:24:26,998 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:26,998 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:26,998 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:26,998 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:26,998 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 08:24:26,998 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 08:24:26,998 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 08:24:26,998 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 08:24:26,998 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 08:24:26,998 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 08:24:26,998 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:26,999 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 08:24:26,999 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:24:26,999 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 08:24:26,999 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,001 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:27,001 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:27,001 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:27,001 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:27,001 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:27,001 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:27,001 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:27,001 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_sortErr0EnsuresViolation======== [2018-01-21 08:24:27,001 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:27,003 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:27,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-21 08:24:27,003 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:27,004 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 08:24:27,004 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_sortErr0EnsuresViolation]=== [2018-01-21 08:24:27,004 INFO L82 PathProgramCache]: Analyzing trace with hash 595467956, now seen corresponding path program 1 times [2018-01-21 08:24:27,004 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:27,005 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,005 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:27,005 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,005 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:27,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:27,066 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 08:24:27,067 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:27,067 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:27,067 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:27,067 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:27,068 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:27,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:27,068 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:27,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:27,113 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:27,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:27,114 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-21 08:24:27,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:27,114 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:27,114 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:27,116 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 08:24:27,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:27,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:27,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:27,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:27,117 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-21 08:24:27,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:27,117 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:27,117 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:27,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:27,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:27,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:24:27,164 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,164 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,164 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,165 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:24:27,165 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:24:27,165 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,165 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:24:27,165 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,165 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,165 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,165 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,165 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,166 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,166 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:24:27,166 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,166 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 08:24:27,166 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,166 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,166 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,166 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:24:27,167 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,167 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,167 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,167 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,167 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 08:24:27,167 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,167 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 08:24:27,167 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,167 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 08:24:27,168 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 08:24:27,168 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,168 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,168 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 08:24:27,168 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,168 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:24:27,168 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,168 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,168 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,169 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,169 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 08:24:27,169 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 08:24:27,169 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 08:24:27,169 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 08:24:27,169 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,169 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,169 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,169 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,170 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:24:27,170 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,170 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,170 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,170 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,170 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,170 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:24:27,170 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,170 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,171 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:24:27,171 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,171 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,171 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:24:27,171 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:24:27,171 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,171 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,171 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,172 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,172 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:24:27,172 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,172 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:24:27,172 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,172 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,172 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:24:27,172 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,172 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,172 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,173 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,173 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,173 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,173 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:24:27,173 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,173 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,173 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,173 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,174 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,174 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,174 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 08:24:27,174 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 08:24:27,174 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,174 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,174 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,174 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,174 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,175 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:24:27,175 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:24:27,175 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,175 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,175 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:24:27,175 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,175 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,175 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:24:27,175 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:24:27,175 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:24:27,176 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,176 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:24:27,176 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,176 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,176 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 08:24:27,176 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,176 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 08:24:27,176 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,176 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,176 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,177 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:27,178 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:27,178 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,178 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 08:24:27,178 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 08:24:27,178 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 08:24:27,178 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 08:24:27,178 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 08:24:27,178 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,178 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:27,178 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 08:24:27,178 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:24:27,178 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 08:24:27,178 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,180 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:27,180 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:27,180 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:27,180 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:27,181 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:27,181 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:27,181 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:27,181 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_emptyErr0EnsuresViolation======== [2018-01-21 08:24:27,181 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 08:24:27,184 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:27,184 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 08:24:27,184 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_emptyErr0EnsuresViolation]=== [2018-01-21 08:24:27,184 INFO L82 PathProgramCache]: Analyzing trace with hash 26295380, now seen corresponding path program 1 times [2018-01-21 08:24:27,184 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:27,185 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,186 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:27,186 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,186 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:27,199 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:27,273 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 08:24:27,273 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:27,273 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:27,273 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:27,274 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:27,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:27,274 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:27,274 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:27,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:27,337 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:27,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:27,338 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-21 08:24:27,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:27,338 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:27,338 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:27,339 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 08:24:27,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:27,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:27,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:27,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-01-21 08:24:27,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:27,340 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:27,340 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:27,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:27,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:27,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,367 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,367 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,368 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:24:27,368 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,368 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 08:24:27,368 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,368 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,368 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,368 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:24:27,368 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,368 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,368 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,368 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,368 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 08:24:27,368 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,368 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 08:24:27,368 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,369 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,369 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 08:24:27,369 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 08:24:27,369 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 08:24:27,369 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,370 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,371 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 08:24:27,372 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,372 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,373 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,373 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:24:27,373 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:24:27,373 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,373 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,373 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:24:27,373 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,373 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,373 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:24:27,373 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:24:27,373 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:24:27,373 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,373 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:24:27,373 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,373 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,374 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 08:24:27,374 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,374 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 08:24:27,374 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,374 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,374 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:24:27,374 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,374 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:24:27,374 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:24:27,374 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:27,374 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:27,374 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:24:27,374 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,375 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,375 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,375 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,375 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:24:27,375 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:27,375 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 08:24:27,375 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,375 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:27,375 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:27,375 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,375 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 08:24:27,376 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 08:24:27,376 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 08:24:27,376 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 08:24:27,376 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 08:24:27,376 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,376 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:27,376 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 08:24:27,376 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:24:27,376 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 08:24:27,376 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,379 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:27,379 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:27,379 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:27,379 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:27,379 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:27,379 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:27,379 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:27,379 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 08:24:27,379 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 08:24:27,383 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:27,383 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 08:24:27,383 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 08:24:27,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1641899247, now seen corresponding path program 1 times [2018-01-21 08:24:27,383 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:27,384 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,384 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:27,384 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,384 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:27,393 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:27,462 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 08:24:27,463 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:27,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:27,463 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:27,464 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:27,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:27,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:27,464 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:27,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:27,500 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:27,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:27,501 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-21 08:24:27,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:27,501 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:27,501 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:27,502 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 08:24:27,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:27,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:27,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 08:24:27,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:27,509 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:27,509 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:27,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:27,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:24:27,546 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,546 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,546 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,547 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:24:27,547 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:24:27,547 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,547 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:24:27,547 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,547 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,547 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,547 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,547 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,547 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,548 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:24:27,548 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,548 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 08:24:27,548 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,548 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,548 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,548 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:24:27,548 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,548 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,549 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,549 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,549 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 08:24:27,549 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,549 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 08:24:27,549 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,549 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 08:24:27,549 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 08:24:27,549 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,549 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,550 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 08:24:27,550 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,550 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:24:27,550 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,550 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,550 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,550 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,550 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 08:24:27,550 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 08:24:27,550 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 08:24:27,550 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 08:24:27,550 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,550 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,550 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,550 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,551 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,552 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 08:24:27,553 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 08:24:27,553 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:24:27,553 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:24:27,553 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,553 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,554 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:24:27,554 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,554 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,554 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:24:27,554 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:27,555 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:27,555 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,556 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 08:24:27,556 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 08:24:27,556 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 08:24:27,556 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 08:24:27,556 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 08:24:27,556 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,556 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:27,556 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 08:24:27,556 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:24:27,556 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 08:24:27,556 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,558 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:27,558 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:27,558 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:27,558 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:27,558 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:27,558 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:27,558 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:27,558 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_delErr0EnsuresViolation======== [2018-01-21 08:24:27,558 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:27,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 08:24:27,562 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:27,562 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:24:27,562 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_delErr0EnsuresViolation]=== [2018-01-21 08:24:27,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1178303605, now seen corresponding path program 1 times [2018-01-21 08:24:27,563 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:27,563 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,564 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:27,564 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,564 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:27,575 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:27,658 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 08:24:27,658 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:27,658 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:27,658 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:27,658 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:27,659 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:27,659 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:27,659 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:27,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:27,709 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:27,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:27,709 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-01-21 08:24:27,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:27,710 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:27,710 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:27,710 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 08:24:27,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:27,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:27,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-01-21 08:24:27,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:27,712 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:27,712 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:27,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:27,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:24:27,745 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,745 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,745 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,745 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:24:27,745 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:24:27,746 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,746 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:24:27,746 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,746 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,746 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,746 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,747 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,747 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,747 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:24:27,747 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,748 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 08:24:27,748 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,748 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,748 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,748 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:24:27,748 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,748 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,748 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,748 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,749 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 08:24:27,749 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,749 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 08:24:27,749 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,749 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 08:24:27,749 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 08:24:27,749 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,749 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,749 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 08:24:27,749 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,749 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:24:27,750 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,750 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,750 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,750 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,750 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 08:24:27,750 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 08:24:27,750 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 08:24:27,750 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 08:24:27,750 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,750 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,751 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,751 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,751 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:24:27,751 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,751 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,751 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,751 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,751 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,751 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:24:27,751 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,751 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,752 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:24:27,752 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,752 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,752 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:24:27,752 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:24:27,752 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,752 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,752 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,752 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,752 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:24:27,753 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,753 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:24:27,753 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,753 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,753 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:24:27,753 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,753 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,753 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,753 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,753 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,754 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,754 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:24:27,754 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,754 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,754 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,754 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,754 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,754 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,754 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 08:24:27,754 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 08:24:27,755 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,755 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,755 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,755 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,755 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,755 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:24:27,755 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:24:27,755 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,755 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,755 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:24:27,755 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,756 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,756 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:24:27,756 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:24:27,756 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:24:27,756 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,756 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:24:27,756 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,756 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,756 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 08:24:27,756 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,756 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 08:24:27,757 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,757 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,757 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:24:27,757 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,757 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:24:27,757 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:24:27,757 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:27,757 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:27,757 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:24:27,757 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,758 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,758 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,758 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,758 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:24:27,758 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:27,758 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 08:24:27,758 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,758 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:27,758 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:27,758 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,759 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 08:24:27,759 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 08:24:27,759 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 08:24:27,759 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 08:24:27,759 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 08:24:27,759 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,759 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:27,759 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 08:24:27,759 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:24:27,759 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 08:24:27,759 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,761 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:27,761 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:27,761 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:27,761 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:27,761 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:27,761 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:27,761 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:27,761 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_readErr0EnsuresViolation======== [2018-01-21 08:24:27,762 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:27,763 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:27,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 08:24:27,764 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:27,764 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:24:27,764 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_readErr0EnsuresViolation]=== [2018-01-21 08:24:27,764 INFO L82 PathProgramCache]: Analyzing trace with hash -947257103, now seen corresponding path program 1 times [2018-01-21 08:24:27,764 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:27,765 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,765 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:27,766 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,766 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:27,774 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:27,806 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 08:24:27,806 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:27,806 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 08:24:27,806 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:27,807 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:27,807 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:27,807 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:27,807 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:27,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:27,828 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:27,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:27,829 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-01-21 08:24:27,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:27,829 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:27,829 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:27,830 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 08:24:27,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:27,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:27,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:27,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-01-21 08:24:27,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:27,831 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:27,831 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:27,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:27,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:24:27,856 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,856 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,856 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,856 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:24:27,856 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:24:27,856 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,856 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:24:27,856 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,856 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,857 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,857 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,857 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,857 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,857 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:24:27,857 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,857 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 08:24:27,857 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,857 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,857 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,857 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:24:27,857 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,857 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,857 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,857 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 08:24:27,858 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 08:24:27,858 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,858 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:24:27,858 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,858 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 08:24:27,859 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 08:24:27,859 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,859 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,859 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,859 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,860 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:24:27,860 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,860 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,860 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:24:27,860 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:24:27,860 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,860 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,860 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,860 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,860 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:24:27,860 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,861 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:24:27,861 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,861 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,861 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:24:27,861 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,861 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,861 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,861 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,861 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,861 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,861 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:24:27,861 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,861 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 08:24:27,862 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 08:24:27,862 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:24:27,862 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:24:27,862 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,862 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:24:27,863 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:24:27,863 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:27,863 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,863 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:24:27,863 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:24:27,864 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:24:27,864 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:27,864 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:27,864 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:27,865 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,865 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 08:24:27,865 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 08:24:27,865 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 08:24:27,865 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 08:24:27,865 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 08:24:27,865 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 08:24:27,865 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:27,865 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 08:24:27,865 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:24:27,865 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 08:24:27,865 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:27,866 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:27,867 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:27,867 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:27,867 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:27,867 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:27,867 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:27,867 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:27,867 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_destroyErr0EnsuresViolation======== [2018-01-21 08:24:27,867 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 08:24:27,869 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:27,869 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 08:24:27,869 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_destroyErr0EnsuresViolation]=== [2018-01-21 08:24:27,869 INFO L82 PathProgramCache]: Analyzing trace with hash -929230515, now seen corresponding path program 1 times [2018-01-21 08:24:27,869 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:27,870 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,870 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:27,870 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:27,870 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:27,877 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:27,946 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 08:24:27,946 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:27,946 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:27,946 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:27,946 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:27,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:27,947 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:27,947 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:27,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:27,971 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:27,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:27,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 08:24:27,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:27,972 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:27,972 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:27,973 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 08:24:27,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:27,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:27,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:27,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:27,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 08:24:27,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:27,974 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:27,974 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:27,974 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:27,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:27,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:24:27,994 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,994 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,994 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,994 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 08:24:27,994 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 08:24:27,994 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 08:24:27,994 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 08:24:27,994 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 08:24:27,994 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,994 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,994 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,995 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 08:24:27,995 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 08:24:27,995 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 08:24:27,995 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,995 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 08:24:27,995 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,995 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,995 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,995 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 08:24:27,995 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 08:24:27,995 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,995 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,995 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,995 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 08:24:27,995 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,995 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 08:24:27,996 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 08:24:27,996 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 08:24:27,996 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 08:24:27,996 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 08:24:27,996 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 08:24:27,996 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 08:24:27,996 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,996 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 08:24:27,996 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,996 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,996 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 08:24:27,996 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 08:24:27,996 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 08:24:27,996 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 08:24:27,996 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 08:24:27,996 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,997 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,998 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 08:24:27,999 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:27,999 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 08:24:28,000 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 08:24:28,000 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 08:24:28,000 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 08:24:28,000 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:28,000 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 08:24:28,000 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 08:24:28,000 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 08:24:28,000 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 08:24:28,000 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 08:24:28,000 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 08:24:28,000 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:28,000 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 08:24:28,000 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:28,000 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 08:24:28,001 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 08:24:28,002 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 08:24:28,002 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:28,002 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 08:24:28,002 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:28,002 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:28,002 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 08:24:28,002 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:28,002 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 08:24:28,002 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 08:24:28,002 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 08:24:28,002 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 08:24:28,002 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 08:24:28,002 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 08:24:28,002 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 08:24:28,002 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 08:24:28,002 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 08:24:28,003 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 08:24:28,003 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 08:24:28,004 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:28,004 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:28,004 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:28,004 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:28,004 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:28,005 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:28,005 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:28,005 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 08:24:28,005 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:28,006 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-01-21 08:24:28,006 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:28,007 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-01-21 08:24:28,007 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 08:24:28,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1636836312, now seen corresponding path program 1 times [2018-01-21 08:24:28,007 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:28,007 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,008 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:28,008 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,008 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:24:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:24:28,034 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 08:24:28,040 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:24:28,044 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 08:24:28,045 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 08:24:28,045 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 08:24:28,045 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 08:24:28,048 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:28,048 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:28,048 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:28,048 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:28,048 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:28,048 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:28,048 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:28,048 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_delErr0EnsuresViolation======== [2018-01-21 08:24:28,049 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:28,049 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:28,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-01-21 08:24:28,052 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:28,052 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:24:28,052 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_delErr0EnsuresViolation]=== [2018-01-21 08:24:28,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1099159158, now seen corresponding path program 1 times [2018-01-21 08:24:28,052 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:28,053 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,053 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:28,053 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,053 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:28,063 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:28,149 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 08:24:28,150 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:28,150 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:28,150 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:28,150 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:28,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:28,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:28,151 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:28,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:28,176 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:28,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:28,177 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-01-21 08:24:28,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:28,177 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:28,177 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:28,177 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 08:24:28,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:28,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:28,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:28,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2018-01-21 08:24:28,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:28,178 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:28,178 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:28,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:28,180 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:28,180 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:28,180 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:28,180 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:28,180 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:28,180 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:28,180 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:28,180 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_moveErr0EnsuresViolation======== [2018-01-21 08:24:28,181 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-01-21 08:24:28,184 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:28,184 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:24:28,184 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_moveErr0EnsuresViolation]=== [2018-01-21 08:24:28,184 INFO L82 PathProgramCache]: Analyzing trace with hash -2026433964, now seen corresponding path program 1 times [2018-01-21 08:24:28,184 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:28,185 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,185 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:28,186 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,186 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:28,195 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:28,293 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 08:24:28,294 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:28,294 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:28,294 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:28,294 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:28,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:28,295 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:28,295 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:28,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:28,331 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:28,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:28,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-01-21 08:24:28,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:28,332 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:28,332 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:28,333 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 08:24:28,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:28,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:28,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-01-21 08:24:28,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:28,333 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:28,333 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:28,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:28,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:28,335 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:28,335 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:28,335 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:28,335 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:28,335 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:28,335 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:28,335 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:28,335 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_addErr0EnsuresViolation======== [2018-01-21 08:24:28,335 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:28,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 08:24:28,337 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:28,337 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 08:24:28,337 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_addErr0EnsuresViolation]=== [2018-01-21 08:24:28,338 INFO L82 PathProgramCache]: Analyzing trace with hash -2047724681, now seen corresponding path program 1 times [2018-01-21 08:24:28,338 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:28,343 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,343 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:28,343 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,343 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:28,350 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:28,416 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 08:24:28,416 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:28,416 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:28,417 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:28,417 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:28,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:28,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:28,417 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:28,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:28,460 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:28,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:28,460 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-01-21 08:24:28,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:28,460 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:28,460 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:28,461 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 08:24:28,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:28,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:28,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 08:24:28,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:28,461 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:28,461 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:28,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:28,463 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:28,463 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:28,463 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:28,463 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:28,463 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:28,463 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:28,463 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:28,463 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 08:24:28,463 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 08:24:28,465 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:28,465 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 08:24:28,465 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 08:24:28,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1612173024, now seen corresponding path program 1 times [2018-01-21 08:24:28,465 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:28,466 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,466 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:28,466 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,466 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:28,471 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:28,518 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 08:24:28,518 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:28,518 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:28,518 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:28,519 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:28,519 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:28,519 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:28,519 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:28,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:28,536 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:28,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:28,537 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-21 08:24:28,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:28,537 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:28,537 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:28,538 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 08:24:28,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:28,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:28,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:28,538 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 08:24:28,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:28,538 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:28,538 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:28,538 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:28,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:28,539 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:28,540 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:28,540 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:28,540 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:28,540 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:28,540 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:28,540 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:28,540 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_insertErr0EnsuresViolation======== [2018-01-21 08:24:28,540 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:28,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-21 08:24:28,542 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:28,542 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 08:24:28,542 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_insertErr0EnsuresViolation]=== [2018-01-21 08:24:28,542 INFO L82 PathProgramCache]: Analyzing trace with hash -768391087, now seen corresponding path program 1 times [2018-01-21 08:24:28,542 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:28,543 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,543 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:28,543 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,543 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:28,549 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:28,624 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 08:24:28,624 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:28,625 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:28,625 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:28,625 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:28,625 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:28,625 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:28,625 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:28,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:28,645 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:28,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:28,646 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-21 08:24:28,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:28,647 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:28,647 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:28,647 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 08:24:28,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:28,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:28,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:28,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-21 08:24:28,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:28,648 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:28,648 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:28,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:28,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:28,650 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:24:28,650 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:24:28,650 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:24:28,650 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:24:28,650 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:24:28,650 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:24:28,650 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:24:28,650 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_seek_maxErr0EnsuresViolation======== [2018-01-21 08:24:28,651 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:24:28,652 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 08:24:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-21 08:24:28,653 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:24:28,653 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:24:28,653 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_seek_maxErr0EnsuresViolation]=== [2018-01-21 08:24:28,654 INFO L82 PathProgramCache]: Analyzing trace with hash 865447086, now seen corresponding path program 1 times [2018-01-21 08:24:28,654 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:24:28,654 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,655 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:24:28,655 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:24:28,655 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:24:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:24:28,661 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:24:28,720 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 08:24:28,721 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:24:28,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:24:28,721 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:24:28,721 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:24:28,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:24:28,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:24:28,722 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 08:24:28,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:24:28,746 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 08:24:28,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:24:28,747 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-01-21 08:24:28,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:24:28,747 INFO L225 Difference]: With dead ends: 139 [2018-01-21 08:24:28,747 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:24:28,748 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 08:24:28,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:24:28,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:24:28,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:24:28,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:24:28,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-01-21 08:24:28,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:24:28,749 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:24:28,749 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:24:28,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:24:28,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:24:28,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 08:24:28 BoogieIcfgContainer [2018-01-21 08:24:28,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 08:24:28,753 INFO L168 Benchmark]: Toolchain (without parser) took 3537.16 ms. Allocated memory was 307.8 MB in the beginning and 526.9 MB in the end (delta: 219.2 MB). Free memory was 266.1 MB in the beginning and 435.3 MB in the end (delta: -169.2 MB). Peak memory consumption was 50.0 MB. Max. memory is 5.3 GB. [2018-01-21 08:24:28,754 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 307.8 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 08:24:28,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.65 ms. Allocated memory is still 307.8 MB. Free memory was 265.1 MB in the beginning and 253.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 5.3 GB. [2018-01-21 08:24:28,755 INFO L168 Benchmark]: Boogie Preprocessor took 44.55 ms. Allocated memory is still 307.8 MB. Free memory was 253.8 MB in the beginning and 250.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-01-21 08:24:28,755 INFO L168 Benchmark]: RCFGBuilder took 499.85 ms. Allocated memory is still 307.8 MB. Free memory was 250.8 MB in the beginning and 217.2 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 5.3 GB. [2018-01-21 08:24:28,755 INFO L168 Benchmark]: TraceAbstraction took 2759.10 ms. Allocated memory was 307.8 MB in the beginning and 526.9 MB in the end (delta: 219.2 MB). Free memory was 217.2 MB in the beginning and 435.3 MB in the end (delta: -218.0 MB). Peak memory consumption was 1.1 MB. Max. memory is 5.3 GB. [2018-01-21 08:24:28,757 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 307.8 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 225.65 ms. Allocated memory is still 307.8 MB. Free memory was 265.1 MB in the beginning and 253.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 44.55 ms. Allocated memory is still 307.8 MB. Free memory was 253.8 MB in the beginning and 250.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 499.85 ms. Allocated memory is still 307.8 MB. Free memory was 250.8 MB in the beginning and 217.2 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2759.10 ms. Allocated memory was 307.8 MB in the beginning and 526.9 MB in the end (delta: 219.2 MB). Free memory was 217.2 MB in the beginning and 435.3 MB in the end (delta: -218.0 MB). Peak memory consumption was 1.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$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 15 procedures, 139 locations, 15 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, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 684]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: val_from_nodeErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.3s 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, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 3321 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 703]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_sortErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 623]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_emptyErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 714]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2001 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 636]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: __list_delErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 4224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 669]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_readErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 676]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_destroyErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1716 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: IVAL [\old(gl_list)=null, \old(gl_list)=null, gl_list={14:12}] [L660] FCALL struct list_head gl_list = { &(gl_list), &(gl_list) }; VAL [\old(gl_list)=null, \old(gl_list)=null, gl_list={11:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 645]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_delErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 4929 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 651]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_moveErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 6656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 641]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: list_addErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1904 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 2201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 661]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_insertErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 2100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 688]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_seek_maxErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 2625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_08-24-28-771.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0134_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-21_08-24-28-771.csv Received shutdown request...