java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 08:55:08,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 08:55:08,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 08:55:08,627 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 08:55:08,627 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 08:55:08,628 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 08:55:08,629 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 08:55:08,630 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 08:55:08,632 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 08:55:08,632 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 08:55:08,633 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 08:55:08,633 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 08:55:08,634 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 08:55:08,634 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 08:55:08,635 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 08:55:08,638 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 08:55:08,640 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 08:55:08,642 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 08:55:08,644 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 08:55:08,645 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 08:55:08,647 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 08:55:08,652 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 08:55:08,653 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 08:55:08,653 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf [2018-01-21 08:55:08,663 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 08:55:08,663 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 08:55:08,664 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 08:55:08,664 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 08:55:08,664 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 08:55:08,665 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 08:55:08,665 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-21 08:55:08,665 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 08:55:08,665 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 08:55:08,666 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 08:55:08,666 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 08:55:08,666 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 08:55:08,667 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 08:55:08,667 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 08:55:08,667 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 08:55:08,667 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 08:55:08,667 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 08:55:08,668 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 08:55:08,668 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 08:55:08,668 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 08:55:08,668 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 08:55:08,668 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 08:55:08,669 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 08:55:08,669 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 08:55:08,669 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 08:55:08,669 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 08:55:08,669 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 08:55:08,670 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 08:55:08,670 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 08:55:08,670 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 08:55:08,670 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 08:55:08,670 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 08:55:08,671 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 08:55:08,671 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 08:55:08,671 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 08:55:08,671 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 08:55:08,671 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 08:55:08,671 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 08:55:08,672 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 08:55:08,672 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 08:55:08,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 08:55:08,722 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 08:55:08,726 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 08:55:08,728 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 08:55:08,729 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 08:55:08,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-01-21 08:55:08,945 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 08:55:08,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 08:55:08,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 08:55:08,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 08:55:08,959 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 08:55:08,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:55:08" (1/1) ... [2018-01-21 08:55:08,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4b3da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:08, skipping insertion in model container [2018-01-21 08:55:08,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:55:08" (1/1) ... [2018-01-21 08:55:08,977 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:55:09,026 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:55:09,141 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:55:09,158 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:55:09,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:09 WrapperNode [2018-01-21 08:55:09,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 08:55:09,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 08:55:09,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 08:55:09,169 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 08:55:09,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:09" (1/1) ... [2018-01-21 08:55:09,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:09" (1/1) ... [2018-01-21 08:55:09,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:09" (1/1) ... [2018-01-21 08:55:09,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:09" (1/1) ... [2018-01-21 08:55:09,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:09" (1/1) ... [2018-01-21 08:55:09,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:09" (1/1) ... [2018-01-21 08:55:09,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:09" (1/1) ... [2018-01-21 08:55:09,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 08:55:09,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 08:55:09,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 08:55:09,207 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 08:55:09,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:09" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 08:55:09,256 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 08:55:09,256 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 08:55:09,256 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 08:55:09,256 INFO L136 BoogieDeclarations]: Found implementation of procedure f6 [2018-01-21 08:55:09,256 INFO L136 BoogieDeclarations]: Found implementation of procedure g6 [2018-01-21 08:55:09,256 INFO L136 BoogieDeclarations]: Found implementation of procedure probe2_6 [2018-01-21 08:55:09,256 INFO L136 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2018-01-21 08:55:09,256 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 08:55:09,257 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 08:55:09,257 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 08:55:09,257 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 08:55:09,257 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 08:55:09,257 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 08:55:09,257 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 08:55:09,257 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 08:55:09,257 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 08:55:09,257 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 08:55:09,257 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 08:55:09,258 INFO L128 BoogieDeclarations]: Found specification of procedure f6 [2018-01-21 08:55:09,258 INFO L128 BoogieDeclarations]: Found specification of procedure g6 [2018-01-21 08:55:09,258 INFO L128 BoogieDeclarations]: Found specification of procedure probe2_6 [2018-01-21 08:55:09,258 INFO L128 BoogieDeclarations]: Found specification of procedure disconnect_6 [2018-01-21 08:55:09,258 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 08:55:09,258 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 08:55:09,258 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 08:55:09,258 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 08:55:09,471 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 08:55:09,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:55:09 BoogieIcfgContainer [2018-01-21 08:55:09,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 08:55:09,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 08:55:09,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 08:55:09,475 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 08:55:09,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 08:55:08" (1/3) ... [2018-01-21 08:55:09,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3157d22c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:55:09, skipping insertion in model container [2018-01-21 08:55:09,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:09" (2/3) ... [2018-01-21 08:55:09,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3157d22c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:55:09, skipping insertion in model container [2018-01-21 08:55:09,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:55:09" (3/3) ... [2018-01-21 08:55:09,479 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-01-21 08:55:09,489 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 08:55:09,497 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-01-21 08:55:09,548 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:09,548 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:09,548 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:09,548 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:09,549 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:09,549 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:09,549 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:09,549 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == f6Err0EnsuresViolation======== [2018-01-21 08:55:09,550 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:09,571 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 08:55:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-21 08:55:09,578 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:09,579 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] [2018-01-21 08:55:09,579 INFO L371 AbstractCegarLoop]: === Iteration 1 === [f6Err0EnsuresViolation]=== [2018-01-21 08:55:09,585 INFO L82 PathProgramCache]: Analyzing trace with hash 838871892, now seen corresponding path program 1 times [2018-01-21 08:55:09,587 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:09,654 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:09,655 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:09,655 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:09,655 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:09,724 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:09,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:55:09,937 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:09,937 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:55:09,938 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:09,940 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:55:10,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:55:10,027 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,030 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 08:55:10,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:10,070 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 08:55:10,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:55:10,071 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-01-21 08:55:10,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:10,076 INFO L225 Difference]: With dead ends: 62 [2018-01-21 08:55:10,076 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:10,079 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:10,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:10,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2018-01-21 08:55:10,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:10,097 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:10,097 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:55:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:10,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:10,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:55:10,131 INFO L404 ceAbstractionStarter]: At program point f6ENTRY(lines 1434 1436) the Hoare annotation is: true [2018-01-21 08:55:10,132 INFO L401 ceAbstractionStarter]: For program point f6Err0EnsuresViolation(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 08:55:10,132 INFO L401 ceAbstractionStarter]: For program point f6FINAL(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 08:55:10,132 INFO L401 ceAbstractionStarter]: For program point f6EXIT(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 08:55:10,132 INFO L404 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: true [2018-01-21 08:55:10,132 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 08:55:10,132 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 08:55:10,132 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 08:55:10,133 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 08:55:10,133 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 08:55:10,133 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 08:55:10,133 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,133 INFO L401 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-01-21 08:55:10,133 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,133 INFO L401 ceAbstractionStarter]: For program point L1467'(line 1467) no Hoare annotation was computed. [2018-01-21 08:55:10,134 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1480) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:55:10,134 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,134 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1480) the Hoare annotation is: true [2018-01-21 08:55:10,134 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,134 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 1480) the Hoare annotation is: false [2018-01-21 08:55:10,134 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,134 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,135 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 1478 1480) the Hoare annotation is: true [2018-01-21 08:55:10,135 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,135 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,135 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,135 INFO L401 ceAbstractionStarter]: For program point L1463'(line 1463) no Hoare annotation was computed. [2018-01-21 08:55:10,135 INFO L401 ceAbstractionStarter]: For program point L1463''(line 1463) no Hoare annotation was computed. [2018-01-21 08:55:10,135 INFO L404 ceAbstractionStarter]: At program point disconnect_6ENTRY(lines 1462 1464) the Hoare annotation is: true [2018-01-21 08:55:10,135 INFO L401 ceAbstractionStarter]: For program point disconnect_6Err0EnsuresViolation(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 08:55:10,136 INFO L401 ceAbstractionStarter]: For program point L1463(line 1463) no Hoare annotation was computed. [2018-01-21 08:55:10,136 INFO L401 ceAbstractionStarter]: For program point disconnect_6FINAL(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 08:55:10,136 INFO L401 ceAbstractionStarter]: For program point disconnect_6EXIT(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 08:55:10,136 INFO L404 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1470 1476) the Hoare annotation is: true [2018-01-21 08:55:10,136 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 08:55:10,136 INFO L401 ceAbstractionStarter]: For program point L1472'(lines 1472 1474) no Hoare annotation was computed. [2018-01-21 08:55:10,136 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 08:55:10,136 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 08:55:10,136 INFO L401 ceAbstractionStarter]: For program point L1472(lines 1472 1474) no Hoare annotation was computed. [2018-01-21 08:55:10,136 INFO L404 ceAbstractionStarter]: At program point L1473(line 1473) the Hoare annotation is: true [2018-01-21 08:55:10,137 INFO L401 ceAbstractionStarter]: For program point L1471(line 1471) no Hoare annotation was computed. [2018-01-21 08:55:10,137 INFO L401 ceAbstractionStarter]: For program point L1454'(line 1454) no Hoare annotation was computed. [2018-01-21 08:55:10,137 INFO L401 ceAbstractionStarter]: For program point L1451'(line 1451) no Hoare annotation was computed. [2018-01-21 08:55:10,137 INFO L401 ceAbstractionStarter]: For program point L1454(line 1454) no Hoare annotation was computed. [2018-01-21 08:55:10,137 INFO L401 ceAbstractionStarter]: For program point probe2_6EXIT(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 08:55:10,137 INFO L401 ceAbstractionStarter]: For program point L1452(lines 1452 1453) no Hoare annotation was computed. [2018-01-21 08:55:10,137 INFO L401 ceAbstractionStarter]: For program point L1445'(line 1445) no Hoare annotation was computed. [2018-01-21 08:55:10,137 INFO L404 ceAbstractionStarter]: At program point L1450(line 1450) the Hoare annotation is: true [2018-01-21 08:55:10,137 INFO L404 ceAbstractionStarter]: At program point L1451(line 1451) the Hoare annotation is: true [2018-01-21 08:55:10,137 INFO L401 ceAbstractionStarter]: For program point probe2_6Err0EnsuresViolation(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 08:55:10,138 INFO L404 ceAbstractionStarter]: At program point probe2_6ENTRY(lines 1443 1460) the Hoare annotation is: true [2018-01-21 08:55:10,138 INFO L401 ceAbstractionStarter]: For program point L1448'(line 1448) no Hoare annotation was computed. [2018-01-21 08:55:10,138 INFO L401 ceAbstractionStarter]: For program point L1449(lines 1449 1450) no Hoare annotation was computed. [2018-01-21 08:55:10,138 INFO L401 ceAbstractionStarter]: For program point L1458(line 1458) no Hoare annotation was computed. [2018-01-21 08:55:10,138 INFO L404 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: true [2018-01-21 08:55:10,138 INFO L404 ceAbstractionStarter]: At program point L1445(line 1445) the Hoare annotation is: true [2018-01-21 08:55:10,138 INFO L401 ceAbstractionStarter]: For program point L1446(lines 1446 1447) no Hoare annotation was computed. [2018-01-21 08:55:10,138 INFO L401 ceAbstractionStarter]: For program point probe2_6FINAL(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 08:55:10,138 INFO L401 ceAbstractionStarter]: For program point g6EXIT(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 08:55:10,138 INFO L401 ceAbstractionStarter]: For program point g6FINAL(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 08:55:10,138 INFO L404 ceAbstractionStarter]: At program point g6ENTRY(lines 1438 1440) the Hoare annotation is: true [2018-01-21 08:55:10,138 INFO L401 ceAbstractionStarter]: For program point g6Err0EnsuresViolation(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 08:55:10,141 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:10,141 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:10,141 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:10,141 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:10,141 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:10,141 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:10,141 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:10,141 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-21 08:55:10,141 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:10,143 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 08:55:10,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-21 08:55:10,143 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:10,143 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:10,144 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 08:55:10,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1107479606, now seen corresponding path program 1 times [2018-01-21 08:55:10,144 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:10,145 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,145 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:10,145 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,145 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:10,159 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:55:10,228 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:10,229 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 08:55:10,229 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:10,229 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:55:10,229 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:55:10,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,230 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 08:55:10,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:10,256 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 08:55:10,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:55:10,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-01-21 08:55:10,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:10,257 INFO L225 Difference]: With dead ends: 62 [2018-01-21 08:55:10,257 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:10,258 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:10,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:10,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-01-21 08:55:10,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:10,258 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:10,258 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:55:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:10,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:10,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 08:55:10,284 INFO L404 ceAbstractionStarter]: At program point f6ENTRY(lines 1434 1436) the Hoare annotation is: true [2018-01-21 08:55:10,285 INFO L401 ceAbstractionStarter]: For program point f6Err0EnsuresViolation(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 08:55:10,285 INFO L401 ceAbstractionStarter]: For program point f6FINAL(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 08:55:10,285 INFO L401 ceAbstractionStarter]: For program point f6EXIT(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 08:55:10,285 INFO L404 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: true [2018-01-21 08:55:10,285 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 08:55:10,285 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 08:55:10,285 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 08:55:10,285 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 08:55:10,286 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 08:55:10,286 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 08:55:10,286 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,286 INFO L401 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-01-21 08:55:10,286 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,286 INFO L401 ceAbstractionStarter]: For program point L1467'(line 1467) no Hoare annotation was computed. [2018-01-21 08:55:10,286 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1480) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 08:55:10,286 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,287 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1480) the Hoare annotation is: true [2018-01-21 08:55:10,287 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,287 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 1480) the Hoare annotation is: false [2018-01-21 08:55:10,287 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,287 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,287 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 1478 1480) the Hoare annotation is: true [2018-01-21 08:55:10,287 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,287 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,288 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 08:55:10,288 INFO L401 ceAbstractionStarter]: For program point L1463'(line 1463) no Hoare annotation was computed. [2018-01-21 08:55:10,288 INFO L401 ceAbstractionStarter]: For program point L1463''(line 1463) no Hoare annotation was computed. [2018-01-21 08:55:10,288 INFO L404 ceAbstractionStarter]: At program point disconnect_6ENTRY(lines 1462 1464) the Hoare annotation is: true [2018-01-21 08:55:10,288 INFO L401 ceAbstractionStarter]: For program point disconnect_6Err0EnsuresViolation(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 08:55:10,288 INFO L401 ceAbstractionStarter]: For program point L1463(line 1463) no Hoare annotation was computed. [2018-01-21 08:55:10,288 INFO L401 ceAbstractionStarter]: For program point disconnect_6FINAL(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 08:55:10,288 INFO L401 ceAbstractionStarter]: For program point disconnect_6EXIT(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 08:55:10,288 INFO L404 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1470 1476) the Hoare annotation is: true [2018-01-21 08:55:10,288 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 08:55:10,289 INFO L401 ceAbstractionStarter]: For program point L1472'(lines 1472 1474) no Hoare annotation was computed. [2018-01-21 08:55:10,289 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 08:55:10,289 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 08:55:10,289 INFO L401 ceAbstractionStarter]: For program point L1472(lines 1472 1474) no Hoare annotation was computed. [2018-01-21 08:55:10,289 INFO L404 ceAbstractionStarter]: At program point L1473(line 1473) the Hoare annotation is: true [2018-01-21 08:55:10,289 INFO L401 ceAbstractionStarter]: For program point L1471(line 1471) no Hoare annotation was computed. [2018-01-21 08:55:10,289 INFO L401 ceAbstractionStarter]: For program point L1454'(line 1454) no Hoare annotation was computed. [2018-01-21 08:55:10,289 INFO L401 ceAbstractionStarter]: For program point L1451'(line 1451) no Hoare annotation was computed. [2018-01-21 08:55:10,289 INFO L401 ceAbstractionStarter]: For program point L1454(line 1454) no Hoare annotation was computed. [2018-01-21 08:55:10,289 INFO L401 ceAbstractionStarter]: For program point probe2_6EXIT(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 08:55:10,289 INFO L401 ceAbstractionStarter]: For program point L1452(lines 1452 1453) no Hoare annotation was computed. [2018-01-21 08:55:10,289 INFO L401 ceAbstractionStarter]: For program point L1445'(line 1445) no Hoare annotation was computed. [2018-01-21 08:55:10,290 INFO L404 ceAbstractionStarter]: At program point L1450(line 1450) the Hoare annotation is: true [2018-01-21 08:55:10,290 INFO L404 ceAbstractionStarter]: At program point L1451(line 1451) the Hoare annotation is: true [2018-01-21 08:55:10,290 INFO L401 ceAbstractionStarter]: For program point probe2_6Err0EnsuresViolation(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 08:55:10,290 INFO L404 ceAbstractionStarter]: At program point probe2_6ENTRY(lines 1443 1460) the Hoare annotation is: true [2018-01-21 08:55:10,290 INFO L401 ceAbstractionStarter]: For program point L1448'(line 1448) no Hoare annotation was computed. [2018-01-21 08:55:10,290 INFO L401 ceAbstractionStarter]: For program point L1449(lines 1449 1450) no Hoare annotation was computed. [2018-01-21 08:55:10,290 INFO L401 ceAbstractionStarter]: For program point L1458(line 1458) no Hoare annotation was computed. [2018-01-21 08:55:10,290 INFO L404 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: true [2018-01-21 08:55:10,291 INFO L404 ceAbstractionStarter]: At program point L1445(line 1445) the Hoare annotation is: true [2018-01-21 08:55:10,291 INFO L401 ceAbstractionStarter]: For program point L1446(lines 1446 1447) no Hoare annotation was computed. [2018-01-21 08:55:10,291 INFO L401 ceAbstractionStarter]: For program point probe2_6FINAL(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 08:55:10,291 INFO L401 ceAbstractionStarter]: For program point g6EXIT(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 08:55:10,291 INFO L401 ceAbstractionStarter]: For program point g6FINAL(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 08:55:10,291 INFO L404 ceAbstractionStarter]: At program point g6ENTRY(lines 1438 1440) the Hoare annotation is: true [2018-01-21 08:55:10,291 INFO L401 ceAbstractionStarter]: For program point g6Err0EnsuresViolation(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 08:55:10,294 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:10,294 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:10,294 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:10,294 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:10,294 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:10,294 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:10,294 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:10,294 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 08:55:10,295 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:10,296 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 08:55:10,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-01-21 08:55:10,297 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:10,297 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-01-21 08:55:10,297 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 08:55:10,297 INFO L82 PathProgramCache]: Analyzing trace with hash 96601323, now seen corresponding path program 1 times [2018-01-21 08:55:10,298 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:10,299 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,300 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:10,300 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,300 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:10,335 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 08:55:10,340 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:10,344 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8 could not be translated for associated CType STRUCT#?p~$Pointer$# [2018-01-21 08:55:10,344 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 5 could not be translated for associated CType STRUCT#?p~$Pointer$# [2018-01-21 08:55:10,345 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8 could not be translated for associated CType STRUCT#?p~$Pointer$# [2018-01-21 08:55:10,345 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 5 could not be translated for associated CType STRUCT#?p~$Pointer$# [2018-01-21 08:55:10,349 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:10,349 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:10,349 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:10,349 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:10,349 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:10,349 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:10,349 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:10,350 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 08:55:10,350 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:10,351 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 08:55:10,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 08:55:10,353 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:10,354 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:10,354 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 08:55:10,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1405393239, now seen corresponding path program 1 times [2018-01-21 08:55:10,354 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:10,355 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,355 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:10,355 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,356 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:10,370 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:10,460 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 08:55:10,461 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:10,461 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:55:10,461 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:10,461 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:55:10,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:55:10,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,462 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 08:55:10,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:10,492 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 08:55:10,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:55:10,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 08:55:10,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:10,493 INFO L225 Difference]: With dead ends: 62 [2018-01-21 08:55:10,494 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:10,494 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:10,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:10,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 08:55:10,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:10,495 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:10,495 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:55:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:10,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:10,497 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:10,497 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:10,498 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:10,498 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:10,498 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:10,498 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:10,498 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:10,498 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 08:55:10,498 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:10,499 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 08:55:10,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-21 08:55:10,501 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:10,501 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] [2018-01-21 08:55:10,501 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 08:55:10,501 INFO L82 PathProgramCache]: Analyzing trace with hash -896860598, now seen corresponding path program 1 times [2018-01-21 08:55:10,501 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:10,503 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,503 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:10,503 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,503 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:10,515 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:55:10,620 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:10,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:55:10,620 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:10,620 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:55:10,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:55:10,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,621 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 08:55:10,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:10,695 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 08:55:10,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:55:10,695 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-01-21 08:55:10,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:10,696 INFO L225 Difference]: With dead ends: 62 [2018-01-21 08:55:10,696 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:10,697 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:10,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:10,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-01-21 08:55:10,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:10,698 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:10,698 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:55:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:10,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:10,699 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:10,699 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:10,700 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:10,700 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:10,700 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:10,700 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:10,700 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:10,700 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == disconnect_6Err0EnsuresViolation======== [2018-01-21 08:55:10,700 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 08:55:10,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 08:55:10,703 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:10,703 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:10,703 INFO L371 AbstractCegarLoop]: === Iteration 1 === [disconnect_6Err0EnsuresViolation]=== [2018-01-21 08:55:10,704 INFO L82 PathProgramCache]: Analyzing trace with hash -213900869, now seen corresponding path program 1 times [2018-01-21 08:55:10,704 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:10,705 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,705 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:10,706 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,706 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:10,717 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:10,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:55:10,779 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:10,779 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:55:10,779 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:10,780 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:55:10,780 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:55:10,780 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,780 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 08:55:10,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:10,802 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 08:55:10,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:55:10,825 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 08:55:10,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:10,825 INFO L225 Difference]: With dead ends: 62 [2018-01-21 08:55:10,825 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:10,826 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:10,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:10,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:10,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:10,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 08:55:10,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:10,826 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:10,826 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:55:10,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:10,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:10,828 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:10,828 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:10,828 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:10,828 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:10,828 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:10,828 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:10,828 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:10,828 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-21 08:55:10,828 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 08:55:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-21 08:55:10,831 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:10,831 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] [2018-01-21 08:55:10,831 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-21 08:55:10,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1491802513, now seen corresponding path program 1 times [2018-01-21 08:55:10,832 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:10,833 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,833 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:10,833 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,834 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:10,844 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:10,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:55:10,898 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:10,898 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:55:10,898 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:10,898 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:55:10,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:55:10,899 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,899 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 08:55:10,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:10,930 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 08:55:10,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:55:10,930 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-01-21 08:55:10,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:10,930 INFO L225 Difference]: With dead ends: 62 [2018-01-21 08:55:10,930 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:10,931 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:10,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:10,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:10,931 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-21 08:55:10,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:10,932 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:10,932 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:55:10,932 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:10,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:10,933 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:10,933 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:10,933 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:10,933 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:10,933 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:10,933 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:10,933 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:10,934 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == probe2_6Err0EnsuresViolation======== [2018-01-21 08:55:10,934 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 08:55:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 08:55:10,935 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:10,935 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:10,935 INFO L371 AbstractCegarLoop]: === Iteration 1 === [probe2_6Err0EnsuresViolation]=== [2018-01-21 08:55:10,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1362254106, now seen corresponding path program 1 times [2018-01-21 08:55:10,935 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:10,936 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,937 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:10,937 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:10,937 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:10,945 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:55:10,994 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:10,994 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:55:10,994 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:10,994 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:55:10,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:55:10,995 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:10,995 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 08:55:11,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:11,024 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 08:55:11,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:55:11,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-21 08:55:11,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:11,025 INFO L225 Difference]: With dead ends: 62 [2018-01-21 08:55:11,025 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:11,025 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:11,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:11,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:11,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:11,026 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-01-21 08:55:11,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:11,026 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:11,026 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:55:11,027 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:11,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:11,028 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:11,028 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:11,028 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:11,028 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:11,028 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:11,028 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:11,028 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:11,028 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == g6Err0EnsuresViolation======== [2018-01-21 08:55:11,028 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 08:55:11,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 08:55:11,030 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:11,030 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:11,030 INFO L371 AbstractCegarLoop]: === Iteration 1 === [g6Err0EnsuresViolation]=== [2018-01-21 08:55:11,031 INFO L82 PathProgramCache]: Analyzing trace with hash 385265649, now seen corresponding path program 1 times [2018-01-21 08:55:11,031 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:11,032 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:11,033 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:11,033 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:11,033 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:11,040 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:55:11,106 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:11,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 08:55:11,106 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:11,107 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 08:55:11,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 08:55:11,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:11,107 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 08:55:11,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:11,125 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 08:55:11,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 08:55:11,125 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-21 08:55:11,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:11,126 INFO L225 Difference]: With dead ends: 62 [2018-01-21 08:55:11,126 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:11,127 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 08:55:11,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:11,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:11,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 08:55:11,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:11,128 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:11,128 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 08:55:11,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:11,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:11,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 08:55:11 BoogieIcfgContainer [2018-01-21 08:55:11,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 08:55:11,132 INFO L168 Benchmark]: Toolchain (without parser) took 2186.14 ms. Allocated memory was 307.2 MB in the beginning and 468.2 MB in the end (delta: 161.0 MB). Free memory was 264.4 MB in the beginning and 324.4 MB in the end (delta: -60.1 MB). Peak memory consumption was 100.9 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:11,133 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 307.2 MB. Free memory is still 271.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 08:55:11,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.13 ms. Allocated memory is still 307.2 MB. Free memory was 264.4 MB in the beginning and 251.4 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:11,134 INFO L168 Benchmark]: Boogie Preprocessor took 37.75 ms. Allocated memory is still 307.2 MB. Free memory was 251.4 MB in the beginning and 249.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:11,134 INFO L168 Benchmark]: RCFGBuilder took 266.09 ms. Allocated memory is still 307.2 MB. Free memory was 249.4 MB in the beginning and 230.3 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:11,134 INFO L168 Benchmark]: TraceAbstraction took 1658.16 ms. Allocated memory was 307.2 MB in the beginning and 468.2 MB in the end (delta: 161.0 MB). Free memory was 229.3 MB in the beginning and 324.4 MB in the end (delta: -95.1 MB). Peak memory consumption was 65.8 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:11,136 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 307.2 MB. Free memory is still 271.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 216.13 ms. Allocated memory is still 307.2 MB. Free memory was 264.4 MB in the beginning and 251.4 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.75 ms. Allocated memory is still 307.2 MB. Free memory was 251.4 MB in the beginning and 249.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 266.09 ms. Allocated memory is still 307.2 MB. Free memory was 249.4 MB in the beginning and 230.3 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1658.16 ms. Allocated memory was 307.2 MB in the beginning and 468.2 MB in the end (delta: 161.0 MB). Free memory was 229.3 MB in the beginning and 324.4 MB in the end (delta: -95.1 MB). Peak memory consumption was 65.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8 could not be translated for associated CType STRUCT#?p~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 5 could not be translated for associated CType STRUCT#?p~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8 could not be translated for associated CType STRUCT#?p~$Pointer$# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 5 could not be translated for associated CType STRUCT#?p~$Pointer$# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1434]: 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: f6Err0EnsuresViolation CFG has 9 procedures, 62 locations, 9 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 15 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred 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, 15 LocationsWithAnnotation, 15 PreInvPairs, 15 NumberOfFragments, 17 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 988 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: 1072]: 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: ldv_mallocErr0EnsuresViolation CFG has 9 procedures, 62 locations, 9 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 15 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=62occurred 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, 15 LocationsWithAnnotation, 15 PreInvPairs, 15 NumberOfFragments, 17 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 598 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(a6)=null, \old(a6)=null, a6={8:5}] [L1467] FCALL struct A a6; VAL [\old(a6)=null, \old(a6)=null, a6={7:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 9 procedures, 62 locations, 9 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=62occurred 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, 5 NumberOfCodeBlocks, 5 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: 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 9 procedures, 62 locations, 9 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 15 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=62occurred 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, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1534 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: 1478]: 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 9 procedures, 62 locations, 9 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, 13 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=62occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 1368 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: 1462]: 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: disconnect_6Err0EnsuresViolation CFG has 9 procedures, 62 locations, 9 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 15 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=62occurred 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, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1534 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: 1470]: 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: entry_pointErr0EnsuresViolation CFG has 9 procedures, 62 locations, 9 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 15 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=62occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1210 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: 1443]: 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: probe2_6Err0EnsuresViolation CFG has 9 procedures, 62 locations, 9 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 15 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=62occurred 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 850 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: 1438]: 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: g6Err0EnsuresViolation CFG has 9 procedures, 62 locations, 9 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 15 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=62occurred 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, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1450 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 - InvariantResult [Line: 1450]: 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/memleaks_test6_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_08-55-11-147.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test6_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_08-55-11-147.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test6_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_08-55-11-147.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test6_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_08-55-11-147.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test6_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_08-55-11-147.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test6_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_08-55-11-147.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test6_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_08-55-11-147.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test6_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_08-55-11-147.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test6_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_08-55-11-147.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test6_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_08-55-11-147.csv Received shutdown request...