java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf -i ../../../trunk/examples/svcomp/memsafety/test-0134_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 10:13:15,796 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 10:13:15,797 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 10:13:15,812 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 10:13:15,812 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 10:13:15,813 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 10:13:15,814 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 10:13:15,816 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 10:13:15,818 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 10:13:15,819 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 10:13:15,820 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 10:13:15,820 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 10:13:15,820 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 10:13:15,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 10:13:15,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 10:13:15,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 10:13:15,827 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 10:13:15,829 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 10:13:15,831 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 10:13:15,832 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 10:13:15,834 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 10:13:15,839 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 10:13:15,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 10:13:15,840 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf [2018-01-21 10:13:15,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 10:13:15,851 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 10:13:15,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 10:13:15,852 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 10:13:15,852 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 10:13:15,852 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 10:13:15,852 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 10:13:15,852 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 10:13:15,853 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 10:13:15,853 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 10:13:15,853 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 10:13:15,854 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 10:13:15,854 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 10:13:15,854 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 10:13:15,854 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 10:13:15,854 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 10:13:15,855 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 10:13:15,855 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 10:13:15,855 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 10:13:15,855 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 10:13:15,855 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 10:13:15,856 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 10:13:15,856 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 10:13:15,856 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 10:13:15,856 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 10:13:15,856 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 10:13:15,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 10:13:15,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 10:13:15,857 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 10:13:15,857 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 10:13:15,857 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 10:13:15,858 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 10:13:15,858 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 10:13:15,858 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 10:13:15,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 10:13:15,858 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 10:13:15,859 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 10:13:15,859 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 10:13:15,860 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 10:13:15,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 10:13:15,905 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 10:13:15,908 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 10:13:15,909 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 10:13:15,910 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 10:13:15,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0134_true-valid-memsafety.i [2018-01-21 10:13:16,108 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 10:13:16,114 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 10:13:16,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 10:13:16,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 10:13:16,124 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 10:13:16,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:13:16" (1/1) ... [2018-01-21 10:13:16,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e1729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:13:16, skipping insertion in model container [2018-01-21 10:13:16,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:13:16" (1/1) ... [2018-01-21 10:13:16,147 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:13:16,188 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:13:16,321 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:13:16,346 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:13:16,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:13:16 WrapperNode [2018-01-21 10:13:16,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 10:13:16,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 10:13:16,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 10:13:16,360 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 10:13:16,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:13:16" (1/1) ... [2018-01-21 10:13:16,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:13:16" (1/1) ... [2018-01-21 10:13:16,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:13:16" (1/1) ... [2018-01-21 10:13:16,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:13:16" (1/1) ... [2018-01-21 10:13:16,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:13:16" (1/1) ... [2018-01-21 10:13:16,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:13:16" (1/1) ... [2018-01-21 10:13:16,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:13:16" (1/1) ... [2018-01-21 10:13:16,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 10:13:16,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 10:13:16,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 10:13:16,407 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 10:13:16,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:13:16" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 10:13:16,457 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 10:13:16,457 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 10:13:16,458 INFO L136 BoogieDeclarations]: Found implementation of procedure list_empty [2018-01-21 10:13:16,458 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-01-21 10:13:16,458 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-01-21 10:13:16,458 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-01-21 10:13:16,458 INFO L136 BoogieDeclarations]: Found implementation of procedure list_del [2018-01-21 10:13:16,458 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-01-21 10:13:16,458 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-01-21 10:13:16,459 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-01-21 10:13:16,459 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-01-21 10:13:16,459 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-01-21 10:13:16,459 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_seek_max [2018-01-21 10:13:16,459 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-01-21 10:13:16,459 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 10:13:16,460 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 10:13:16,460 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 10:13:16,460 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 10:13:16,460 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 10:13:16,460 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 10:13:16,460 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 10:13:16,461 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 10:13:16,461 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 10:13:16,461 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 10:13:16,461 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 10:13:16,461 INFO L128 BoogieDeclarations]: Found specification of procedure list_empty [2018-01-21 10:13:16,461 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-01-21 10:13:16,462 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-01-21 10:13:16,462 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-01-21 10:13:16,462 INFO L128 BoogieDeclarations]: Found specification of procedure list_del [2018-01-21 10:13:16,462 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-01-21 10:13:16,462 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-01-21 10:13:16,462 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-01-21 10:13:16,462 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-01-21 10:13:16,462 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-01-21 10:13:16,462 INFO L128 BoogieDeclarations]: Found specification of procedure gl_seek_max [2018-01-21 10:13:16,462 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-01-21 10:13:16,462 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 10:13:16,463 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 10:13:16,463 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 10:13:16,902 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 10:13:16,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:13:16 BoogieIcfgContainer [2018-01-21 10:13:16,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 10:13:16,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 10:13:16,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 10:13:16,907 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 10:13:16,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 10:13:16" (1/3) ... [2018-01-21 10:13:16,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7096b10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:13:16, skipping insertion in model container [2018-01-21 10:13:16,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:13:16" (2/3) ... [2018-01-21 10:13:16,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7096b10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:13:16, skipping insertion in model container [2018-01-21 10:13:16,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:13:16" (3/3) ... [2018-01-21 10:13:16,911 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0134_true-valid-memsafety.i [2018-01-21 10:13:16,918 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 10:13:16,926 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-21 10:13:16,970 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:16,970 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:16,970 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:16,970 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:16,970 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:16,970 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:16,971 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:16,971 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_addErr0EnsuresViolation======== [2018-01-21 10:13:16,971 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 10:13:16,999 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:17,000 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:13:17,000 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_addErr0EnsuresViolation]=== [2018-01-21 10:13:17,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1167701253, now seen corresponding path program 1 times [2018-01-21 10:13:17,007 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:17,053 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:17,053 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:17,053 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:17,053 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:17,136 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:13:17,396 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:17,396 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:13:17,396 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:17,400 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:17,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:17,413 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:17,415 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:17,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:17,475 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:17,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:17,477 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-21 10:13:17,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:17,482 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:17,483 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:17,487 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:17,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:17,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:17,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:17,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 10:13:17,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:17,509 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:17,510 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:17,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:17,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:13:17,567 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:17,568 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:17,568 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:13:17,568 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:13:17,568 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:13:17,568 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:13:17,568 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:13:17,568 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:17,568 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:17,568 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:13:17,569 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:17,569 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:17,569 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:13:17,569 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:13:17,569 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 10:13:17,569 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 10:13:17,569 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 10:13:17,569 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:17,569 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:17,569 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:13:17,569 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:17,570 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:17,570 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:17,570 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:17,570 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 10:13:17,570 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:17,570 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 10:13:17,570 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 10:13:17,570 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 10:13:17,570 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 10:13:17,570 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 10:13:17,570 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:17,571 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 10:13:17,571 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:13:17,571 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:13:17,571 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:17,571 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:17,571 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:13:17,571 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:17,571 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 10:13:17,571 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 10:13:17,571 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 10:13:17,572 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 10:13:17,572 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:17,572 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:17,572 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:17,572 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:13:17,572 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:13:17,572 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:17,572 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:17,572 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:13:17,572 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:17,572 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:17,572 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:13:17,573 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:17,573 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:17,573 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:13:17,573 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:17,573 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:17,573 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:13:17,573 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:13:17,573 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:17,573 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:13:17,573 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:13:17,573 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:17,573 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:13:17,574 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:13:17,574 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:13:17,574 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:17,574 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:17,574 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:13:17,574 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:17,574 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,574 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:13:17,574 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:13:17,574 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,574 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:13:17,575 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:13:17,575 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,575 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 10:13:17,575 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 10:13:17,575 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:17,575 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:17,575 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:17,575 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 10:13:17,575 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 10:13:17,575 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 10:13:17,575 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 10:13:17,575 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 10:13:17,575 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:17,576 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:13:17,576 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:13:17,576 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:13:17,576 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:13:17,576 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:17,576 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:13:17,576 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:17,576 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:13:17,576 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:13:17,576 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:13:17,576 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:13:17,576 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:17,577 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:13:17,577 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:17,577 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:17,577 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 10:13:17,577 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,577 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 10:13:17,577 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,577 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,577 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:13:17,577 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:17,577 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:13:17,577 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:13:17,577 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:17,578 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:17,578 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:13:17,578 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:17,578 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:17,578 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 10:13:17,578 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 10:13:17,578 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:13:17,578 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:17,578 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 10:13:17,578 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:17,578 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:17,578 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:17,579 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:17,579 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 10:13:17,579 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 10:13:17,579 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 10:13:17,579 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 10:13:17,579 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 10:13:17,579 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 10:13:17,579 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:17,579 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 10:13:17,579 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:13:17,579 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 10:13:17,579 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:17,583 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:17,583 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:17,583 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:17,583 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:17,583 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:17,583 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:17,583 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:17,583 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == val_from_nodeErr0EnsuresViolation======== [2018-01-21 10:13:17,583 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:17,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-21 10:13:17,590 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:17,590 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 10:13:17,590 INFO L371 AbstractCegarLoop]: === Iteration 1 === [val_from_nodeErr0EnsuresViolation]=== [2018-01-21 10:13:17,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1482429810, now seen corresponding path program 1 times [2018-01-21 10:13:17,590 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:17,591 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:17,591 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:17,591 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:17,592 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:17,610 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-21 10:13:17,706 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:17,707 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:17,707 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:17,707 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:17,707 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:17,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:17,708 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:17,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:17,764 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:17,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:17,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2018-01-21 10:13:17,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:17,766 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:17,766 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:17,767 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:17,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:17,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:17,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2018-01-21 10:13:17,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:17,768 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:17,768 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:17,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:17,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:17,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:13:17,818 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:17,818 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:17,818 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:13:17,819 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:13:17,819 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:13:17,819 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:13:17,819 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:13:17,819 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:17,819 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:17,819 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:13:17,819 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:17,819 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:17,820 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:13:17,820 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:13:17,820 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 10:13:17,820 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 10:13:17,820 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 10:13:17,820 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:17,820 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:17,820 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:13:17,821 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:17,821 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:17,821 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:17,821 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:17,821 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 10:13:17,821 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:17,821 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 10:13:17,821 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 10:13:17,822 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 10:13:17,822 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 10:13:17,822 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 10:13:17,822 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:17,822 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 10:13:17,822 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:13:17,822 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:13:17,822 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:17,822 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:17,823 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:13:17,823 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:17,823 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 10:13:17,823 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 10:13:17,823 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 10:13:17,823 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 10:13:17,823 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:17,823 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:17,823 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:17,824 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:13:17,824 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:13:17,824 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:17,824 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:17,824 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:13:17,824 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:17,824 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:17,824 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:13:17,824 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:17,825 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:17,825 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:13:17,825 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:17,825 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:17,825 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:13:17,825 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:13:17,825 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:17,825 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:13:17,825 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:13:17,826 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:17,826 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:13:17,826 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:13:17,826 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:13:17,826 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:17,826 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:17,826 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:13:17,826 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:17,826 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,827 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:13:17,827 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:13:17,827 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,827 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:13:17,827 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:13:17,827 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,827 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 10:13:17,827 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 10:13:17,827 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:17,828 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:17,828 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:17,828 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 10:13:17,828 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 10:13:17,828 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 10:13:17,828 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 10:13:17,828 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 10:13:17,828 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:17,828 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:13:17,829 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:13:17,829 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:13:17,829 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:13:17,829 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:17,829 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:13:17,829 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:17,829 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:13:17,829 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:13:17,830 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:13:17,830 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:13:17,830 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:17,830 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:13:17,830 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:17,830 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:17,830 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 10:13:17,830 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,830 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 10:13:17,831 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,831 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:17,831 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:13:17,831 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:17,831 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:13:17,831 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:13:17,831 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:17,831 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:17,832 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:13:17,832 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:17,832 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:17,832 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 10:13:17,832 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 10:13:17,832 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:13:17,832 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:17,832 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 10:13:17,833 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:17,833 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:17,833 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:17,833 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:17,833 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 10:13:17,833 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 10:13:17,833 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 10:13:17,833 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 10:13:17,834 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 10:13:17,834 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 10:13:17,834 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:17,834 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 10:13:17,834 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:13:17,834 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 10:13:17,834 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:17,837 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:17,837 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:17,837 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:17,837 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:17,837 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:17,838 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:17,838 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:17,838 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_sortErr0EnsuresViolation======== [2018-01-21 10:13:17,838 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:17,841 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:17,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-21 10:13:17,842 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:17,842 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:13:17,843 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_sortErr0EnsuresViolation]=== [2018-01-21 10:13:17,843 INFO L82 PathProgramCache]: Analyzing trace with hash 595467956, now seen corresponding path program 1 times [2018-01-21 10:13:17,843 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:17,844 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:17,844 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:17,844 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:17,844 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:17,859 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:13:17,939 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:17,939 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:17,939 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:17,940 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:17,940 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:17,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:17,940 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:17,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:17,983 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:17,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:17,984 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-01-21 10:13:17,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:17,984 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:17,984 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:17,986 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:17,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:17,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:17,987 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-21 10:13:17,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:17,987 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:17,987 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:17,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:17,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:13:18,039 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,040 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,040 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,040 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:13:18,040 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:13:18,040 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,040 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:13:18,041 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,041 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,041 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,041 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,041 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,041 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,041 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:13:18,041 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,041 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 10:13:18,042 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,042 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,042 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,042 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:13:18,042 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,042 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,042 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,042 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,043 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 10:13:18,043 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,043 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 10:13:18,043 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,043 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 10:13:18,043 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 10:13:18,043 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,043 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,043 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 10:13:18,044 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,044 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:13:18,044 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,044 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,044 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,045 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,045 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 10:13:18,045 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 10:13:18,045 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 10:13:18,045 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 10:13:18,045 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,045 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,045 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,046 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,046 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:13:18,046 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,046 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,046 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,046 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,046 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,046 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:13:18,046 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,047 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,047 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:13:18,047 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,047 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,047 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:13:18,047 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:13:18,047 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,047 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,048 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,048 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,048 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:13:18,050 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,050 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:13:18,050 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,051 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,051 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:13:18,051 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,051 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,051 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,051 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,051 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,051 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,052 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:13:18,052 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,052 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,052 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,052 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,052 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,052 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,052 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 10:13:18,053 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 10:13:18,053 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,053 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,053 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,053 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,053 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,053 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:13:18,053 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:13:18,053 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,054 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,054 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:13:18,054 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,054 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,054 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:13:18,054 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:13:18,054 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,054 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,054 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,054 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,054 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,054 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 10:13:18,055 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,055 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 10:13:18,055 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,055 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,055 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,055 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,055 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,055 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:13:18,055 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,056 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,056 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:13:18,056 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,056 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,056 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,056 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,056 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,056 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,057 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 10:13:18,057 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,057 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,057 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,057 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,057 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 10:13:18,057 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,057 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 10:13:18,057 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 10:13:18,058 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 10:13:18,058 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,058 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,058 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 10:13:18,058 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:13:18,058 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 10:13:18,058 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,060 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:18,060 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:18,060 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:18,061 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:18,061 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:18,061 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:18,061 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:18,061 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_emptyErr0EnsuresViolation======== [2018-01-21 10:13:18,061 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:18,064 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 10:13:18,065 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:18,065 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:13:18,065 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_emptyErr0EnsuresViolation]=== [2018-01-21 10:13:18,065 INFO L82 PathProgramCache]: Analyzing trace with hash 26295380, now seen corresponding path program 1 times [2018-01-21 10:13:18,065 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:18,067 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,103 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:18,104 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,104 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:18,117 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:13:18,191 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:18,191 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:18,191 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:18,192 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:18,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:18,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:18,192 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:18,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:18,265 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:18,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:18,265 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-21 10:13:18,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:18,266 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:18,266 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:18,267 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:18,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:18,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:18,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:18,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:18,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-01-21 10:13:18,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:18,268 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:18,268 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:18,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:18,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:18,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:13:18,297 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,297 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,297 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,297 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:13:18,297 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:13:18,297 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,297 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:13:18,297 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,298 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,298 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,298 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,298 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,298 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,298 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:13:18,298 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,298 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 10:13:18,298 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,298 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,299 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,299 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:13:18,299 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,299 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,299 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,299 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,299 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 10:13:18,299 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,299 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 10:13:18,299 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,299 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 10:13:18,299 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 10:13:18,300 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,300 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,300 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 10:13:18,300 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,300 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:13:18,300 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,300 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,300 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,300 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,300 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 10:13:18,300 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 10:13:18,300 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 10:13:18,300 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 10:13:18,300 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,301 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,302 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 10:13:18,303 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,303 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,304 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,304 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:13:18,304 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:13:18,304 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,304 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,304 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:13:18,304 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,304 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,304 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:13:18,304 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:13:18,304 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,304 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,304 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,304 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,304 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,305 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 10:13:18,305 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,305 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 10:13:18,305 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,305 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,305 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,305 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,305 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,305 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:13:18,305 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,305 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,305 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:13:18,305 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,306 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,306 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,306 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,306 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,306 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,306 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 10:13:18,306 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,306 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,306 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,306 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,306 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 10:13:18,306 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,306 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 10:13:18,307 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 10:13:18,307 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 10:13:18,307 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,307 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,307 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 10:13:18,307 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:13:18,307 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 10:13:18,307 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,309 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:18,309 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:18,309 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:18,309 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:18,309 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:18,309 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:18,309 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:18,310 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 10:13:18,310 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:18,311 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:18,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-21 10:13:18,313 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:18,313 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:13:18,313 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 10:13:18,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1641899247, now seen corresponding path program 1 times [2018-01-21 10:13:18,313 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:18,314 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,314 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:18,315 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,315 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:18,326 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:13:18,385 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:18,385 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:18,385 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:18,385 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:18,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:18,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:18,386 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:18,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:18,418 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:18,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:18,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-21 10:13:18,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:18,419 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:18,419 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:18,420 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:18,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:18,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:18,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:18,421 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-01-21 10:13:18,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:18,425 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:18,426 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:18,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:18,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:18,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:13:18,477 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,478 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,478 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,478 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:13:18,478 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:13:18,478 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,478 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:13:18,478 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,478 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,478 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,478 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,478 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,479 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,479 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:13:18,479 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,479 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 10:13:18,479 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,479 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,479 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,479 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:13:18,479 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,479 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,479 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,479 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,480 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 10:13:18,480 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,480 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 10:13:18,480 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,480 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 10:13:18,480 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 10:13:18,480 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,480 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,480 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 10:13:18,480 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,480 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:13:18,480 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,480 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,480 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,480 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,481 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 10:13:18,481 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 10:13:18,481 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 10:13:18,481 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 10:13:18,481 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,481 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,481 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,481 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,481 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:13:18,481 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,481 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,481 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,481 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,481 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,481 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:13:18,481 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,482 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,483 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 10:13:18,483 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 10:13:18,484 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,484 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,484 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,484 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,484 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,484 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:13:18,484 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:13:18,484 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,484 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,484 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:13:18,484 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,484 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,484 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:13:18,484 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:13:18,484 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,484 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,485 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,485 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,485 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,485 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 10:13:18,485 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,485 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 10:13:18,485 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,485 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,485 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,485 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,485 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,485 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:13:18,485 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,485 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,486 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:13:18,486 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,486 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,486 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,486 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,486 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,486 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,486 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 10:13:18,486 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,486 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,487 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,487 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,487 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 10:13:18,487 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,487 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 10:13:18,487 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 10:13:18,487 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 10:13:18,487 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,487 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,487 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 10:13:18,488 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:13:18,488 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 10:13:18,488 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,489 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:18,490 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:18,490 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:18,490 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:18,490 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:18,490 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:18,490 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:18,490 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == __list_delErr0EnsuresViolation======== [2018-01-21 10:13:18,490 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:18,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-01-21 10:13:18,495 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:18,495 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 10:13:18,495 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_delErr0EnsuresViolation]=== [2018-01-21 10:13:18,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1178303605, now seen corresponding path program 1 times [2018-01-21 10:13:18,496 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:18,496 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,497 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:18,497 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,497 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:18,510 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:13:18,571 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:18,571 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:18,571 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:18,571 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:18,572 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:18,572 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:18,572 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:18,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:18,601 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:18,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:18,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-01-21 10:13:18,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:18,602 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:18,602 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:18,603 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:18,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:18,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:18,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:18,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-01-21 10:13:18,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:18,604 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:18,604 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:18,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:18,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:18,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:13:18,654 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,654 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,654 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,654 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:13:18,654 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:13:18,654 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,654 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:13:18,654 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,654 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,655 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,655 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,655 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,655 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,655 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:13:18,655 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,655 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 10:13:18,655 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,655 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,655 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,656 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:13:18,656 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,656 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,656 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,656 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,656 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 10:13:18,656 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,656 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 10:13:18,656 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,656 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 10:13:18,657 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 10:13:18,657 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,657 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,657 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 10:13:18,657 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,657 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:13:18,657 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,657 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,657 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,657 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,657 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 10:13:18,658 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 10:13:18,658 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 10:13:18,658 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 10:13:18,658 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,658 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,658 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,658 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,658 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:13:18,658 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,658 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,659 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,659 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,659 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,659 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:13:18,659 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,659 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,659 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:13:18,659 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,659 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,659 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:13:18,660 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:13:18,660 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,660 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,660 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,660 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,660 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:13:18,660 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,660 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:13:18,660 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,660 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,660 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:13:18,661 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,661 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,661 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,661 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,661 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,661 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,661 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:13:18,661 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,661 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,661 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,662 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,662 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,662 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,662 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 10:13:18,662 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 10:13:18,662 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,662 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,662 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,662 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,662 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,663 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:13:18,663 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:13:18,663 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,663 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,663 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:13:18,663 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,663 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,663 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:13:18,663 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:13:18,663 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,664 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,664 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,664 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,664 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,664 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 10:13:18,664 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,664 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 10:13:18,664 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,664 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,664 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,665 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,665 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,665 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:13:18,665 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,665 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,665 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:13:18,665 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,665 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,665 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,665 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,666 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,666 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,666 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 10:13:18,666 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,666 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,666 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,666 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,666 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 10:13:18,666 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,666 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 10:13:18,667 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 10:13:18,667 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 10:13:18,667 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,667 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,667 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 10:13:18,667 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:13:18,667 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 10:13:18,667 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,669 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:18,669 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:18,669 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:18,669 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:18,669 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:18,669 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:18,669 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:18,669 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_readErr0EnsuresViolation======== [2018-01-21 10:13:18,670 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:18,671 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 10:13:18,672 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:18,672 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:13:18,672 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_readErr0EnsuresViolation]=== [2018-01-21 10:13:18,672 INFO L82 PathProgramCache]: Analyzing trace with hash -947257103, now seen corresponding path program 1 times [2018-01-21 10:13:18,673 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:18,673 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,674 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:18,674 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,674 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:18,682 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:13:18,714 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:18,714 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:13:18,714 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:18,715 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:18,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:18,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:18,715 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:18,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:18,761 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:18,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:18,762 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-01-21 10:13:18,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:18,763 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:18,763 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:18,764 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:18,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:18,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:18,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-01-21 10:13:18,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:18,764 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:18,764 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:18,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:18,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:13:18,791 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,792 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:13:18,792 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,793 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 10:13:18,793 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,793 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,793 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,793 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:13:18,793 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,793 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,793 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,793 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,793 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 10:13:18,793 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,793 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 10:13:18,793 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,793 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 10:13:18,793 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 10:13:18,794 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,794 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,795 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:13:18,795 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,796 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 10:13:18,797 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,797 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,798 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:13:18,798 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:13:18,798 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,798 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,798 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:13:18,798 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,798 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,798 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:13:18,798 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:13:18,798 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,798 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,798 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,798 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,798 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,798 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 10:13:18,798 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,799 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,800 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 10:13:18,800 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,800 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,800 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,800 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,800 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 10:13:18,800 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,800 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 10:13:18,800 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 10:13:18,800 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 10:13:18,800 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,800 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,800 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 10:13:18,800 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:13:18,800 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 10:13:18,801 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,802 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:18,802 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:18,802 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:18,802 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:18,803 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:18,803 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:18,803 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:18,803 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_destroyErr0EnsuresViolation======== [2018-01-21 10:13:18,803 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 10:13:18,805 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:18,805 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:13:18,805 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_destroyErr0EnsuresViolation]=== [2018-01-21 10:13:18,805 INFO L82 PathProgramCache]: Analyzing trace with hash -929230515, now seen corresponding path program 1 times [2018-01-21 10:13:18,806 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:18,806 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,806 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:18,806 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,807 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:18,814 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:13:18,912 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:18,912 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:18,912 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:18,912 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:18,912 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:18,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:18,913 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:18,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:18,948 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:18,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:18,949 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 10:13:18,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:18,949 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:18,950 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:18,951 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:18,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:18,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:18,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:18,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 10:13:18,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:18,952 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:18,952 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:18,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:18,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:13:18,977 INFO L401 ceAbstractionStarter]: For program point __list_addErr0EnsuresViolation(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,977 INFO L401 ceAbstractionStarter]: For program point __list_addEXIT(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,977 INFO L401 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,977 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:13:18,977 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:13:18,977 INFO L401 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-21 10:13:18,977 INFO L404 ceAbstractionStarter]: At program point __list_addENTRY(lines 627 635) the Hoare annotation is: true [2018-01-21 10:13:18,977 INFO L401 ceAbstractionStarter]: For program point __list_addFINAL(lines 627 635) no Hoare annotation was computed. [2018-01-21 10:13:18,977 INFO L401 ceAbstractionStarter]: For program point val_from_nodeFINAL(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,977 INFO L401 ceAbstractionStarter]: For program point L686'(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,977 INFO L401 ceAbstractionStarter]: For program point val_from_nodeErr0EnsuresViolation(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,977 INFO L401 ceAbstractionStarter]: For program point val_from_nodeEXIT(lines 684 687) no Hoare annotation was computed. [2018-01-21 10:13:18,978 INFO L401 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2018-01-21 10:13:18,978 INFO L404 ceAbstractionStarter]: At program point val_from_nodeENTRY(lines 684 687) the Hoare annotation is: true [2018-01-21 10:13:18,978 INFO L401 ceAbstractionStarter]: For program point L707(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,978 INFO L401 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2018-01-21 10:13:18,978 INFO L404 ceAbstractionStarter]: At program point L710'(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,978 INFO L401 ceAbstractionStarter]: For program point gl_sortFINAL(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,978 INFO L404 ceAbstractionStarter]: At program point L709(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,978 INFO L401 ceAbstractionStarter]: For program point L709''(lines 709 710) no Hoare annotation was computed. [2018-01-21 10:13:18,978 INFO L404 ceAbstractionStarter]: At program point L709''''(lines 709 710) the Hoare annotation is: true [2018-01-21 10:13:18,978 INFO L401 ceAbstractionStarter]: For program point L707''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,978 INFO L401 ceAbstractionStarter]: For program point gl_sortErr0EnsuresViolation(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,978 INFO L401 ceAbstractionStarter]: For program point L707''''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,978 INFO L404 ceAbstractionStarter]: At program point gl_sortENTRY(lines 703 713) the Hoare annotation is: true [2018-01-21 10:13:18,978 INFO L401 ceAbstractionStarter]: For program point L707'''(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,978 INFO L404 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-01-21 10:13:18,979 INFO L404 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2018-01-21 10:13:18,979 INFO L401 ceAbstractionStarter]: For program point L712(line 712) no Hoare annotation was computed. [2018-01-21 10:13:18,979 INFO L401 ceAbstractionStarter]: For program point L709'(line 709) no Hoare annotation was computed. [2018-01-21 10:13:18,979 INFO L401 ceAbstractionStarter]: For program point L707'(line 707) no Hoare annotation was computed. [2018-01-21 10:13:18,979 INFO L401 ceAbstractionStarter]: For program point gl_sortEXIT(lines 703 713) no Hoare annotation was computed. [2018-01-21 10:13:18,979 INFO L401 ceAbstractionStarter]: For program point L705'(lines 705 706) no Hoare annotation was computed. [2018-01-21 10:13:18,979 INFO L401 ceAbstractionStarter]: For program point L625'(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,979 INFO L404 ceAbstractionStarter]: At program point list_emptyENTRY(lines 623 626) the Hoare annotation is: true [2018-01-21 10:13:18,979 INFO L401 ceAbstractionStarter]: For program point list_emptyFINAL(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,979 INFO L401 ceAbstractionStarter]: For program point list_emptyEXIT(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,980 INFO L401 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2018-01-21 10:13:18,980 INFO L401 ceAbstractionStarter]: For program point list_emptyErr0EnsuresViolation(lines 623 626) no Hoare annotation was computed. [2018-01-21 10:13:18,980 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 714 720) the Hoare annotation is: true [2018-01-21 10:13:18,980 INFO L401 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2018-01-21 10:13:18,980 INFO L404 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-01-21 10:13:18,980 INFO L404 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: true [2018-01-21 10:13:18,980 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,980 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,980 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 714 720) no Hoare annotation was computed. [2018-01-21 10:13:18,980 INFO L401 ceAbstractionStarter]: For program point L638'(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,981 INFO L404 ceAbstractionStarter]: At program point __list_delENTRY(lines 636 640) the Hoare annotation is: true [2018-01-21 10:13:18,981 INFO L401 ceAbstractionStarter]: For program point __list_delFINAL(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,981 INFO L401 ceAbstractionStarter]: For program point __list_delErr0EnsuresViolation(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,981 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:13:18,981 INFO L401 ceAbstractionStarter]: For program point __list_delEXIT(lines 636 640) no Hoare annotation was computed. [2018-01-21 10:13:18,981 INFO L401 ceAbstractionStarter]: For program point gl_readErr0EnsuresViolation(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,981 INFO L404 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2018-01-21 10:13:18,981 INFO L401 ceAbstractionStarter]: For program point gl_readEXIT(lines 669 675) no Hoare annotation was computed. [2018-01-21 10:13:18,981 INFO L401 ceAbstractionStarter]: For program point L671(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,981 INFO L401 ceAbstractionStarter]: For program point L672'(line 672) no Hoare annotation was computed. [2018-01-21 10:13:18,982 INFO L401 ceAbstractionStarter]: For program point L671'(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,982 INFO L401 ceAbstractionStarter]: For program point L671''''(lines 671 674) no Hoare annotation was computed. [2018-01-21 10:13:18,982 INFO L404 ceAbstractionStarter]: At program point L671'''(lines 671 674) the Hoare annotation is: true [2018-01-21 10:13:18,982 INFO L401 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2018-01-21 10:13:18,982 INFO L401 ceAbstractionStarter]: For program point gl_destroyEXIT(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,982 INFO L401 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,982 INFO L401 ceAbstractionStarter]: For program point L680''(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,982 INFO L401 ceAbstractionStarter]: For program point gl_destroyErr0EnsuresViolation(lines 676 683) no Hoare annotation was computed. [2018-01-21 10:13:18,982 INFO L404 ceAbstractionStarter]: At program point L681'(line 681) the Hoare annotation is: true [2018-01-21 10:13:18,982 INFO L401 ceAbstractionStarter]: For program point L680'(line 680) no Hoare annotation was computed. [2018-01-21 10:13:18,983 INFO L404 ceAbstractionStarter]: At program point gl_destroyENTRY(lines 676 683) the Hoare annotation is: true [2018-01-21 10:13:18,983 INFO L401 ceAbstractionStarter]: For program point L679(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,983 INFO L401 ceAbstractionStarter]: For program point L679''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,983 INFO L401 ceAbstractionStarter]: For program point L679'(line 679) no Hoare annotation was computed. [2018-01-21 10:13:18,983 INFO L401 ceAbstractionStarter]: For program point L679''''(lines 679 682) no Hoare annotation was computed. [2018-01-21 10:13:18,983 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,983 INFO L401 ceAbstractionStarter]: For program point L660''(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,983 INFO L401 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,983 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,983 INFO L401 ceAbstractionStarter]: For program point L660'(line 660) no Hoare annotation was computed. [2018-01-21 10:13:18,984 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 720) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:13:18,984 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,984 INFO L401 ceAbstractionStarter]: For program point L648'(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,984 INFO L401 ceAbstractionStarter]: For program point L647'(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,984 INFO L401 ceAbstractionStarter]: For program point list_delEXIT(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,984 INFO L401 ceAbstractionStarter]: For program point list_delFINAL(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,984 INFO L401 ceAbstractionStarter]: For program point list_delErr0EnsuresViolation(lines 645 650) no Hoare annotation was computed. [2018-01-21 10:13:18,984 INFO L404 ceAbstractionStarter]: At program point list_delENTRY(lines 645 650) the Hoare annotation is: true [2018-01-21 10:13:18,984 INFO L404 ceAbstractionStarter]: At program point L647''(line 647) the Hoare annotation is: true [2018-01-21 10:13:18,984 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 10:13:18,985 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,985 INFO L401 ceAbstractionStarter]: For program point L647'''(line 647) no Hoare annotation was computed. [2018-01-21 10:13:18,985 INFO L401 ceAbstractionStarter]: For program point list_moveErr0EnsuresViolation(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,985 INFO L401 ceAbstractionStarter]: For program point L653'(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,985 INFO L404 ceAbstractionStarter]: At program point L653''(line 653) the Hoare annotation is: true [2018-01-21 10:13:18,985 INFO L404 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2018-01-21 10:13:18,985 INFO L401 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,985 INFO L401 ceAbstractionStarter]: For program point list_moveEXIT(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,985 INFO L404 ceAbstractionStarter]: At program point list_moveENTRY(lines 651 655) the Hoare annotation is: true [2018-01-21 10:13:18,985 INFO L401 ceAbstractionStarter]: For program point list_moveFINAL(lines 651 655) no Hoare annotation was computed. [2018-01-21 10:13:18,986 INFO L401 ceAbstractionStarter]: For program point L653'''(line 653) no Hoare annotation was computed. [2018-01-21 10:13:18,986 INFO L404 ceAbstractionStarter]: At program point list_addENTRY(lines 641 644) the Hoare annotation is: true [2018-01-21 10:13:18,986 INFO L404 ceAbstractionStarter]: At program point L643'(line 643) the Hoare annotation is: true [2018-01-21 10:13:18,986 INFO L401 ceAbstractionStarter]: For program point L643''(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,986 INFO L401 ceAbstractionStarter]: For program point list_addFINAL(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,986 INFO L401 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2018-01-21 10:13:18,986 INFO L401 ceAbstractionStarter]: For program point list_addErr0EnsuresViolation(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,986 INFO L401 ceAbstractionStarter]: For program point list_addEXIT(lines 641 644) no Hoare annotation was computed. [2018-01-21 10:13:18,986 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 720) the Hoare annotation is: true [2018-01-21 10:13:18,986 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,987 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 720) the Hoare annotation is: false [2018-01-21 10:13:18,987 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,987 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 720) no Hoare annotation was computed. [2018-01-21 10:13:18,987 INFO L401 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,987 INFO L401 ceAbstractionStarter]: For program point gl_insertEXIT(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,987 INFO L401 ceAbstractionStarter]: For program point L663'(line 663) no Hoare annotation was computed. [2018-01-21 10:13:18,987 INFO L404 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2018-01-21 10:13:18,987 INFO L401 ceAbstractionStarter]: For program point L664''(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,987 INFO L401 ceAbstractionStarter]: For program point L664(lines 664 665) no Hoare annotation was computed. [2018-01-21 10:13:18,987 INFO L404 ceAbstractionStarter]: At program point gl_insertENTRY(lines 661 668) the Hoare annotation is: true [2018-01-21 10:13:18,988 INFO L401 ceAbstractionStarter]: For program point gl_insertFINAL(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,988 INFO L401 ceAbstractionStarter]: For program point gl_insertErr0EnsuresViolation(lines 661 668) no Hoare annotation was computed. [2018-01-21 10:13:18,988 INFO L401 ceAbstractionStarter]: For program point L694'''''(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,988 INFO L401 ceAbstractionStarter]: For program point L694'(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,988 INFO L401 ceAbstractionStarter]: For program point L692'(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,988 INFO L404 ceAbstractionStarter]: At program point L694''''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,988 INFO L401 ceAbstractionStarter]: For program point L690'(lines 690 691) no Hoare annotation was computed. [2018-01-21 10:13:18,988 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxFINAL(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,988 INFO L401 ceAbstractionStarter]: For program point L694'''''''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,988 INFO L404 ceAbstractionStarter]: At program point L694''''(lines 694 700) the Hoare annotation is: true [2018-01-21 10:13:18,988 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxErr0EnsuresViolation(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,989 INFO L404 ceAbstractionStarter]: At program point gl_seek_maxENTRY(lines 688 702) the Hoare annotation is: true [2018-01-21 10:13:18,989 INFO L401 ceAbstractionStarter]: For program point L692(line 692) no Hoare annotation was computed. [2018-01-21 10:13:18,989 INFO L401 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-01-21 10:13:18,989 INFO L401 ceAbstractionStarter]: For program point L696(lines 696 697) no Hoare annotation was computed. [2018-01-21 10:13:18,989 INFO L404 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-01-21 10:13:18,989 INFO L401 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-01-21 10:13:18,989 INFO L401 ceAbstractionStarter]: For program point L694''(lines 694 700) no Hoare annotation was computed. [2018-01-21 10:13:18,989 INFO L404 ceAbstractionStarter]: At program point L693(line 693) the Hoare annotation is: true [2018-01-21 10:13:18,989 INFO L401 ceAbstractionStarter]: For program point L695'(line 695) no Hoare annotation was computed. [2018-01-21 10:13:18,989 INFO L401 ceAbstractionStarter]: For program point L693'(line 693) no Hoare annotation was computed. [2018-01-21 10:13:18,990 INFO L401 ceAbstractionStarter]: For program point gl_seek_maxEXIT(lines 688 702) no Hoare annotation was computed. [2018-01-21 10:13:18,991 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:18,991 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:18,991 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:18,992 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:18,992 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:18,992 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:18,992 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:18,992 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 10:13:18,992 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:18,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-01-21 10:13:18,994 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:18,994 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-01-21 10:13:18,995 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 10:13:18,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1636836312, now seen corresponding path program 1 times [2018-01-21 10:13:18,995 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:18,996 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,996 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:18,996 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:18,996 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:13:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:13:19,031 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:13:19,037 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:13:19,041 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 10:13:19,041 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 10:13:19,041 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 10:13:19,042 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# [2018-01-21 10:13:19,045 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:19,045 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:19,045 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:19,045 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:19,045 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:19,045 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:19,045 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:19,045 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_delErr0EnsuresViolation======== [2018-01-21 10:13:19,046 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-01-21 10:13:19,049 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:19,049 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 10:13:19,049 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_delErr0EnsuresViolation]=== [2018-01-21 10:13:19,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1099159158, now seen corresponding path program 1 times [2018-01-21 10:13:19,050 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:19,050 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,050 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:19,050 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,050 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:19,061 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:13:19,133 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:19,133 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:19,133 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:19,133 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:19,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:19,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,134 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:19,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:19,170 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:19,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:19,170 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-01-21 10:13:19,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:19,171 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:19,171 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:19,171 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:19,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:19,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:19,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2018-01-21 10:13:19,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:19,172 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:19,172 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:19,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:19,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:19,173 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:19,173 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:19,173 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:19,173 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:19,173 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:19,173 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:19,173 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:19,173 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_moveErr0EnsuresViolation======== [2018-01-21 10:13:19,174 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-01-21 10:13:19,176 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:19,176 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 10:13:19,176 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_moveErr0EnsuresViolation]=== [2018-01-21 10:13:19,177 INFO L82 PathProgramCache]: Analyzing trace with hash -2026433964, now seen corresponding path program 1 times [2018-01-21 10:13:19,177 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:19,177 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,177 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:19,178 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,178 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:19,187 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-21 10:13:19,252 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:19,252 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:19,252 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:19,253 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:19,253 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:19,253 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,253 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:19,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:19,271 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:19,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:19,272 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-01-21 10:13:19,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:19,272 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:19,272 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:19,273 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:19,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:19,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-01-21 10:13:19,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:19,273 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:19,273 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:19,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:19,275 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:19,275 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:19,275 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:19,275 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:19,275 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:19,275 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:19,275 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:19,276 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == list_addErr0EnsuresViolation======== [2018-01-21 10:13:19,276 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:19,277 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:19,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 10:13:19,277 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:19,278 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:13:19,280 INFO L371 AbstractCegarLoop]: === Iteration 1 === [list_addErr0EnsuresViolation]=== [2018-01-21 10:13:19,281 INFO L82 PathProgramCache]: Analyzing trace with hash -2047724681, now seen corresponding path program 1 times [2018-01-21 10:13:19,281 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:19,281 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,282 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:19,282 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,282 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:19,287 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:13:19,349 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:19,349 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:19,349 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:19,350 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:19,350 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:19,350 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,350 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:19,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:19,373 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:19,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:19,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-01-21 10:13:19,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:19,375 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:19,375 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:19,375 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:19,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:19,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:19,376 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-01-21 10:13:19,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:19,377 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:19,377 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:19,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:19,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:19,378 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:19,378 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:19,379 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:19,379 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:19,379 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:19,379 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:19,379 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:19,379 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 10:13:19,379 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-21 10:13:19,382 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:19,382 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:13:19,382 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 10:13:19,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1612173024, now seen corresponding path program 1 times [2018-01-21 10:13:19,383 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:19,383 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,384 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:19,384 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,384 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:19,391 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:13:19,460 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:19,460 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:19,460 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:19,461 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:19,461 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:19,461 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,461 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:19,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:19,477 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:19,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:19,477 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-21 10:13:19,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:19,477 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:19,478 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:19,478 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:19,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:19,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-01-21 10:13:19,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:19,479 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:19,479 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:19,479 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:19,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:19,480 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:19,480 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:19,480 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:19,480 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:19,480 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:19,480 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:19,481 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:19,481 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_insertErr0EnsuresViolation======== [2018-01-21 10:13:19,481 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:19,482 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:19,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-21 10:13:19,482 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:19,483 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:13:19,483 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_insertErr0EnsuresViolation]=== [2018-01-21 10:13:19,483 INFO L82 PathProgramCache]: Analyzing trace with hash -768391087, now seen corresponding path program 1 times [2018-01-21 10:13:19,483 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:19,484 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,484 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:19,484 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,484 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:19,491 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:13:19,532 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:19,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:19,532 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:19,532 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:19,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:19,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,533 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:19,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:19,550 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:19,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:19,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-21 10:13:19,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:19,551 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:19,551 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:19,552 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:19,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:19,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:19,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:19,553 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-01-21 10:13:19,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:19,553 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:19,553 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:19,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:19,555 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:13:19,555 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:13:19,555 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:13:19,555 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:13:19,555 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:13:19,555 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:13:19,555 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:13:19,555 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == gl_seek_maxErr0EnsuresViolation======== [2018-01-21 10:13:19,556 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:13:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-01-21 10:13:19,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-21 10:13:19,558 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:13:19,558 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 10:13:19,558 INFO L371 AbstractCegarLoop]: === Iteration 1 === [gl_seek_maxErr0EnsuresViolation]=== [2018-01-21 10:13:19,559 INFO L82 PathProgramCache]: Analyzing trace with hash 865447086, now seen corresponding path program 1 times [2018-01-21 10:13:19,559 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:13:19,560 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,560 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:13:19,560 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:13:19,560 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:13:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:13:19,567 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:13:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-21 10:13:19,613 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:13:19,614 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 10:13:19,614 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:13:19,614 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:13:19,615 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:13:19,615 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,615 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 6 states. [2018-01-21 10:13:19,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:13:19,657 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-01-21 10:13:19,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:13:19,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-01-21 10:13:19,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:13:19,658 INFO L225 Difference]: With dead ends: 139 [2018-01-21 10:13:19,658 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:13:19,659 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:13:19,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:13:19,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:13:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:13:19,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:13:19,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-01-21 10:13:19,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:13:19,660 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:13:19,660 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:13:19,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:13:19,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:13:19,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 10:13:19 BoogieIcfgContainer [2018-01-21 10:13:19,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 10:13:19,664 INFO L168 Benchmark]: Toolchain (without parser) took 3554.49 ms. Allocated memory was 300.9 MB in the beginning and 510.7 MB in the end (delta: 209.7 MB). Free memory was 258.3 MB in the beginning and 416.8 MB in the end (delta: -158.6 MB). Peak memory consumption was 51.1 MB. Max. memory is 5.3 GB. [2018-01-21 10:13:19,665 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 300.9 MB. Free memory is still 264.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 10:13:19,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.87 ms. Allocated memory is still 300.9 MB. Free memory was 258.3 MB in the beginning and 246.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-01-21 10:13:19,666 INFO L168 Benchmark]: Boogie Preprocessor took 46.15 ms. Allocated memory is still 300.9 MB. Free memory was 246.1 MB in the beginning and 244.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:13:19,666 INFO L168 Benchmark]: RCFGBuilder took 496.82 ms. Allocated memory is still 300.9 MB. Free memory was 244.1 MB in the beginning and 209.6 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 5.3 GB. [2018-01-21 10:13:19,667 INFO L168 Benchmark]: TraceAbstraction took 2758.25 ms. Allocated memory was 300.9 MB in the beginning and 510.7 MB in the end (delta: 209.7 MB). Free memory was 209.6 MB in the beginning and 416.8 MB in the end (delta: -207.2 MB). Peak memory consumption was 2.5 MB. Max. memory is 5.3 GB. [2018-01-21 10:13:19,668 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 300.9 MB. Free memory is still 264.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 243.87 ms. Allocated memory is still 300.9 MB. Free memory was 258.3 MB in the beginning and 246.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 46.15 ms. Allocated memory is still 300.9 MB. Free memory was 246.1 MB in the beginning and 244.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 496.82 ms. Allocated memory is still 300.9 MB. Free memory was 244.1 MB in the beginning and 209.6 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2758.25 ms. Allocated memory was 300.9 MB in the beginning and 510.7 MB in the end (delta: 209.7 MB). Free memory was 209.6 MB in the beginning and 416.8 MB in the end (delta: -207.2 MB). Peak memory consumption was 2.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT#?next~$Pointer$?prev~$Pointer$# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 627]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: __list_addErr0EnsuresViolation CFG has 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, 0.2s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 41 PreInvPairs, 41 NumberOfFragments, 36 HoareAnnotationTreeSize, 41 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s 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, 0.2s 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, 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, 0.2s 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, 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, 0.1s 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, 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, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 2201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 661]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_insertErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 18 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 2100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 688]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: gl_seek_maxErr0EnsuresViolation CFG has 15 procedures, 139 locations, 15 error locations. SAFE Result, 0.1s 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, 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_smtcomp.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_10-13-19-683.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-21_10-13-19-683.csv Received shutdown request...