java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 06:12:55,703 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 06:12:55,705 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 06:12:55,720 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 06:12:55,721 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 06:12:55,721 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 06:12:55,723 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 06:12:55,724 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 06:12:55,726 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 06:12:55,727 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 06:12:55,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 06:12:55,728 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 06:12:55,729 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 06:12:55,731 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 06:12:55,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 06:12:55,734 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 06:12:55,736 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 06:12:55,738 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 06:12:55,739 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 06:12:55,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 06:12:55,743 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 06:12:55,748 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 06:12:55,748 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 06:12:55,748 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf [2018-01-21 06:12:55,758 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 06:12:55,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 06:12:55,759 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 06:12:55,760 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 06:12:55,760 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 06:12:55,760 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 06:12:55,760 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 06:12:55,761 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 06:12:55,761 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 06:12:55,761 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 06:12:55,762 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 06:12:55,762 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 06:12:55,762 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 06:12:55,762 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 06:12:55,762 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 06:12:55,763 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 06:12:55,763 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 06:12:55,763 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 06:12:55,763 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 06:12:55,763 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 06:12:55,763 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 06:12:55,764 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 06:12:55,764 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 06:12:55,764 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 06:12:55,764 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 06:12:55,765 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 06:12:55,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 06:12:55,765 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 06:12:55,765 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 06:12:55,765 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 06:12:55,766 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 06:12:55,766 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 06:12:55,766 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 06:12:55,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 06:12:55,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 06:12:55,766 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 06:12:55,767 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 06:12:55,768 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 06:12:55,768 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 06:12:55,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 06:12:55,815 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 06:12:55,819 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 06:12:55,820 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 06:12:55,821 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 06:12:55,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-01-21 06:12:56,029 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 06:12:56,034 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 06:12:56,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 06:12:56,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 06:12:56,040 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 06:12:56,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 06:12:56" (1/1) ... [2018-01-21 06:12:56,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cf31ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:56, skipping insertion in model container [2018-01-21 06:12:56,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 06:12:56" (1/1) ... [2018-01-21 06:12:56,057 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 06:12:56,103 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 06:12:56,220 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 06:12:56,238 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 06:12:56,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:56 WrapperNode [2018-01-21 06:12:56,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 06:12:56,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 06:12:56,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 06:12:56,248 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 06:12:56,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:56" (1/1) ... [2018-01-21 06:12:56,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:56" (1/1) ... [2018-01-21 06:12:56,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:56" (1/1) ... [2018-01-21 06:12:56,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:56" (1/1) ... [2018-01-21 06:12:56,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:56" (1/1) ... [2018-01-21 06:12:56,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:56" (1/1) ... [2018-01-21 06:12:56,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:56" (1/1) ... [2018-01-21 06:12:56,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 06:12:56,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 06:12:56,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 06:12:56,286 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 06:12:56,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:56" (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 06:12:56,333 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 06:12:56,333 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 06:12:56,333 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 06:12:56,333 INFO L136 BoogieDeclarations]: Found implementation of procedure f6 [2018-01-21 06:12:56,333 INFO L136 BoogieDeclarations]: Found implementation of procedure g6 [2018-01-21 06:12:56,333 INFO L136 BoogieDeclarations]: Found implementation of procedure probe2_6 [2018-01-21 06:12:56,333 INFO L136 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2018-01-21 06:12:56,334 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 06:12:56,334 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 06:12:56,334 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 06:12:56,334 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 06:12:56,334 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 06:12:56,334 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 06:12:56,334 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 06:12:56,334 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 06:12:56,334 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 06:12:56,334 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 06:12:56,335 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 06:12:56,335 INFO L128 BoogieDeclarations]: Found specification of procedure f6 [2018-01-21 06:12:56,335 INFO L128 BoogieDeclarations]: Found specification of procedure g6 [2018-01-21 06:12:56,335 INFO L128 BoogieDeclarations]: Found specification of procedure probe2_6 [2018-01-21 06:12:56,335 INFO L128 BoogieDeclarations]: Found specification of procedure disconnect_6 [2018-01-21 06:12:56,335 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 06:12:56,335 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 06:12:56,335 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 06:12:56,335 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 06:12:56,547 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 06:12:56,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 06:12:56 BoogieIcfgContainer [2018-01-21 06:12:56,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 06:12:56,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 06:12:56,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 06:12:56,550 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 06:12:56,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 06:12:56" (1/3) ... [2018-01-21 06:12:56,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155debb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 06:12:56, skipping insertion in model container [2018-01-21 06:12:56,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:12:56" (2/3) ... [2018-01-21 06:12:56,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155debb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 06:12:56, skipping insertion in model container [2018-01-21 06:12:56,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 06:12:56" (3/3) ... [2018-01-21 06:12:56,553 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-01-21 06:12:56,561 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 06:12:56,566 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-01-21 06:12:56,619 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:56,619 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:56,619 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:56,619 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:56,620 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:56,620 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:56,620 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:56,620 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == f6Err0EnsuresViolation======== [2018-01-21 06:12:56,621 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:56,643 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 06:12:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-21 06:12:56,650 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:56,651 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 06:12:56,651 INFO L371 AbstractCegarLoop]: === Iteration 1 === [f6Err0EnsuresViolation]=== [2018-01-21 06:12:56,656 INFO L82 PathProgramCache]: Analyzing trace with hash 838871892, now seen corresponding path program 1 times [2018-01-21 06:12:56,659 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:56,711 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:56,712 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:56,712 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:56,712 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:56,772 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:56,950 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 06:12:56,953 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:56,953 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 06:12:56,953 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:56,955 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 06:12:56,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 06:12:56,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 06:12:56,969 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 06:12:57,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:57,118 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 06:12:57,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:57,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-01-21 06:12:57,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:57,126 INFO L225 Difference]: With dead ends: 62 [2018-01-21 06:12:57,126 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:57,129 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 06:12:57,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:57,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:57,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:57,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2018-01-21 06:12:57,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:57,150 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:57,150 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 06:12:57,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:57,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:57,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:57,209 INFO L404 ceAbstractionStarter]: At program point f6ENTRY(lines 1434 1436) the Hoare annotation is: true [2018-01-21 06:12:57,209 INFO L401 ceAbstractionStarter]: For program point f6Err0EnsuresViolation(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 06:12:57,209 INFO L401 ceAbstractionStarter]: For program point f6FINAL(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 06:12:57,209 INFO L401 ceAbstractionStarter]: For program point f6EXIT(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 06:12:57,209 INFO L404 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: true [2018-01-21 06:12:57,209 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:57,209 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:57,209 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:57,210 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:57,210 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:57,210 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:57,210 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,210 INFO L401 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-01-21 06:12:57,210 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,210 INFO L401 ceAbstractionStarter]: For program point L1467'(line 1467) no Hoare annotation was computed. [2018-01-21 06:12:57,210 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1480) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:57,210 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,211 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1480) the Hoare annotation is: true [2018-01-21 06:12:57,211 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,211 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 1480) the Hoare annotation is: false [2018-01-21 06:12:57,211 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,211 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,211 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 1478 1480) the Hoare annotation is: true [2018-01-21 06:12:57,211 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,211 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,211 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,212 INFO L401 ceAbstractionStarter]: For program point L1463'(line 1463) no Hoare annotation was computed. [2018-01-21 06:12:57,212 INFO L401 ceAbstractionStarter]: For program point L1463''(line 1463) no Hoare annotation was computed. [2018-01-21 06:12:57,212 INFO L404 ceAbstractionStarter]: At program point disconnect_6ENTRY(lines 1462 1464) the Hoare annotation is: true [2018-01-21 06:12:57,212 INFO L401 ceAbstractionStarter]: For program point disconnect_6Err0EnsuresViolation(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 06:12:57,212 INFO L401 ceAbstractionStarter]: For program point L1463(line 1463) no Hoare annotation was computed. [2018-01-21 06:12:57,212 INFO L401 ceAbstractionStarter]: For program point disconnect_6FINAL(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 06:12:57,212 INFO L401 ceAbstractionStarter]: For program point disconnect_6EXIT(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 06:12:57,213 INFO L404 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1470 1476) the Hoare annotation is: true [2018-01-21 06:12:57,213 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 06:12:57,213 INFO L401 ceAbstractionStarter]: For program point L1472'(lines 1472 1474) no Hoare annotation was computed. [2018-01-21 06:12:57,213 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 06:12:57,213 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 06:12:57,213 INFO L401 ceAbstractionStarter]: For program point L1472(lines 1472 1474) no Hoare annotation was computed. [2018-01-21 06:12:57,213 INFO L404 ceAbstractionStarter]: At program point L1473(line 1473) the Hoare annotation is: true [2018-01-21 06:12:57,213 INFO L401 ceAbstractionStarter]: For program point L1471(line 1471) no Hoare annotation was computed. [2018-01-21 06:12:57,214 INFO L401 ceAbstractionStarter]: For program point L1454'(line 1454) no Hoare annotation was computed. [2018-01-21 06:12:57,214 INFO L401 ceAbstractionStarter]: For program point L1451'(line 1451) no Hoare annotation was computed. [2018-01-21 06:12:57,214 INFO L401 ceAbstractionStarter]: For program point L1454(line 1454) no Hoare annotation was computed. [2018-01-21 06:12:57,214 INFO L401 ceAbstractionStarter]: For program point probe2_6EXIT(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 06:12:57,214 INFO L401 ceAbstractionStarter]: For program point L1452(lines 1452 1453) no Hoare annotation was computed. [2018-01-21 06:12:57,214 INFO L401 ceAbstractionStarter]: For program point L1445'(line 1445) no Hoare annotation was computed. [2018-01-21 06:12:57,214 INFO L404 ceAbstractionStarter]: At program point L1450(line 1450) the Hoare annotation is: true [2018-01-21 06:12:57,215 INFO L404 ceAbstractionStarter]: At program point L1451(line 1451) the Hoare annotation is: true [2018-01-21 06:12:57,215 INFO L401 ceAbstractionStarter]: For program point probe2_6Err0EnsuresViolation(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 06:12:57,215 INFO L404 ceAbstractionStarter]: At program point probe2_6ENTRY(lines 1443 1460) the Hoare annotation is: true [2018-01-21 06:12:57,215 INFO L401 ceAbstractionStarter]: For program point L1448'(line 1448) no Hoare annotation was computed. [2018-01-21 06:12:57,215 INFO L401 ceAbstractionStarter]: For program point L1449(lines 1449 1450) no Hoare annotation was computed. [2018-01-21 06:12:57,215 INFO L401 ceAbstractionStarter]: For program point L1458(line 1458) no Hoare annotation was computed. [2018-01-21 06:12:57,215 INFO L404 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: true [2018-01-21 06:12:57,215 INFO L404 ceAbstractionStarter]: At program point L1445(line 1445) the Hoare annotation is: true [2018-01-21 06:12:57,215 INFO L401 ceAbstractionStarter]: For program point L1446(lines 1446 1447) no Hoare annotation was computed. [2018-01-21 06:12:57,216 INFO L401 ceAbstractionStarter]: For program point probe2_6FINAL(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 06:12:57,216 INFO L401 ceAbstractionStarter]: For program point g6EXIT(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 06:12:57,216 INFO L401 ceAbstractionStarter]: For program point g6FINAL(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 06:12:57,216 INFO L404 ceAbstractionStarter]: At program point g6ENTRY(lines 1438 1440) the Hoare annotation is: true [2018-01-21 06:12:57,216 INFO L401 ceAbstractionStarter]: For program point g6Err0EnsuresViolation(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 06:12:57,220 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:57,220 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:57,221 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:57,221 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:57,221 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:57,221 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:57,221 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:57,221 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-21 06:12:57,221 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 06:12:57,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-21 06:12:57,225 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:57,225 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:12:57,225 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 06:12:57,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1107479606, now seen corresponding path program 1 times [2018-01-21 06:12:57,226 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:57,227 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,227 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:57,228 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,228 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:57,245 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:57,315 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 06:12:57,315 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:57,315 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 06:12:57,315 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:57,316 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 06:12:57,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 06:12:57,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 06:12:57,316 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 06:12:57,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:57,351 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 06:12:57,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:57,351 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-01-21 06:12:57,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:57,352 INFO L225 Difference]: With dead ends: 62 [2018-01-21 06:12:57,352 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:57,353 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 06:12:57,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:57,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:57,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:57,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-01-21 06:12:57,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:57,354 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:57,354 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 06:12:57,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:57,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:57,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 06:12:57,389 INFO L404 ceAbstractionStarter]: At program point f6ENTRY(lines 1434 1436) the Hoare annotation is: true [2018-01-21 06:12:57,389 INFO L401 ceAbstractionStarter]: For program point f6Err0EnsuresViolation(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 06:12:57,389 INFO L401 ceAbstractionStarter]: For program point f6FINAL(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 06:12:57,389 INFO L401 ceAbstractionStarter]: For program point f6EXIT(lines 1434 1436) no Hoare annotation was computed. [2018-01-21 06:12:57,389 INFO L404 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: true [2018-01-21 06:12:57,389 INFO L401 ceAbstractionStarter]: For program point L1073(lines 1073 1077) no Hoare annotation was computed. [2018-01-21 06:12:57,390 INFO L401 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:57,390 INFO L401 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:57,390 INFO L401 ceAbstractionStarter]: For program point ldv_mallocErr0EnsuresViolation(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:57,390 INFO L401 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-21 06:12:57,390 INFO L401 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-21 06:12:57,390 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,390 INFO L401 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-01-21 06:12:57,390 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,390 INFO L401 ceAbstractionStarter]: For program point L1467'(line 1467) no Hoare annotation was computed. [2018-01-21 06:12:57,390 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1480) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 06:12:57,390 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,391 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1480) the Hoare annotation is: true [2018-01-21 06:12:57,391 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,391 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 1480) the Hoare annotation is: false [2018-01-21 06:12:57,391 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,391 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,391 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 1478 1480) the Hoare annotation is: true [2018-01-21 06:12:57,391 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,391 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,392 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1478 1480) no Hoare annotation was computed. [2018-01-21 06:12:57,392 INFO L401 ceAbstractionStarter]: For program point L1463'(line 1463) no Hoare annotation was computed. [2018-01-21 06:12:57,392 INFO L401 ceAbstractionStarter]: For program point L1463''(line 1463) no Hoare annotation was computed. [2018-01-21 06:12:57,392 INFO L404 ceAbstractionStarter]: At program point disconnect_6ENTRY(lines 1462 1464) the Hoare annotation is: true [2018-01-21 06:12:57,392 INFO L401 ceAbstractionStarter]: For program point disconnect_6Err0EnsuresViolation(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 06:12:57,392 INFO L401 ceAbstractionStarter]: For program point L1463(line 1463) no Hoare annotation was computed. [2018-01-21 06:12:57,392 INFO L401 ceAbstractionStarter]: For program point disconnect_6FINAL(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 06:12:57,392 INFO L401 ceAbstractionStarter]: For program point disconnect_6EXIT(lines 1462 1464) no Hoare annotation was computed. [2018-01-21 06:12:57,393 INFO L404 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1470 1476) the Hoare annotation is: true [2018-01-21 06:12:57,393 INFO L401 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 06:12:57,393 INFO L401 ceAbstractionStarter]: For program point L1472'(lines 1472 1474) no Hoare annotation was computed. [2018-01-21 06:12:57,393 INFO L401 ceAbstractionStarter]: For program point entry_pointErr0EnsuresViolation(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 06:12:57,393 INFO L401 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1470 1476) no Hoare annotation was computed. [2018-01-21 06:12:57,393 INFO L401 ceAbstractionStarter]: For program point L1472(lines 1472 1474) no Hoare annotation was computed. [2018-01-21 06:12:57,393 INFO L404 ceAbstractionStarter]: At program point L1473(line 1473) the Hoare annotation is: true [2018-01-21 06:12:57,393 INFO L401 ceAbstractionStarter]: For program point L1471(line 1471) no Hoare annotation was computed. [2018-01-21 06:12:57,393 INFO L401 ceAbstractionStarter]: For program point L1454'(line 1454) no Hoare annotation was computed. [2018-01-21 06:12:57,393 INFO L401 ceAbstractionStarter]: For program point L1451'(line 1451) no Hoare annotation was computed. [2018-01-21 06:12:57,393 INFO L401 ceAbstractionStarter]: For program point L1454(line 1454) no Hoare annotation was computed. [2018-01-21 06:12:57,394 INFO L401 ceAbstractionStarter]: For program point probe2_6EXIT(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 06:12:57,394 INFO L401 ceAbstractionStarter]: For program point L1452(lines 1452 1453) no Hoare annotation was computed. [2018-01-21 06:12:57,394 INFO L401 ceAbstractionStarter]: For program point L1445'(line 1445) no Hoare annotation was computed. [2018-01-21 06:12:57,394 INFO L404 ceAbstractionStarter]: At program point L1450(line 1450) the Hoare annotation is: true [2018-01-21 06:12:57,394 INFO L404 ceAbstractionStarter]: At program point L1451(line 1451) the Hoare annotation is: true [2018-01-21 06:12:57,394 INFO L401 ceAbstractionStarter]: For program point probe2_6Err0EnsuresViolation(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 06:12:57,394 INFO L404 ceAbstractionStarter]: At program point probe2_6ENTRY(lines 1443 1460) the Hoare annotation is: true [2018-01-21 06:12:57,394 INFO L401 ceAbstractionStarter]: For program point L1448'(line 1448) no Hoare annotation was computed. [2018-01-21 06:12:57,395 INFO L401 ceAbstractionStarter]: For program point L1449(lines 1449 1450) no Hoare annotation was computed. [2018-01-21 06:12:57,395 INFO L401 ceAbstractionStarter]: For program point L1458(line 1458) no Hoare annotation was computed. [2018-01-21 06:12:57,395 INFO L404 ceAbstractionStarter]: At program point L1448(line 1448) the Hoare annotation is: true [2018-01-21 06:12:57,395 INFO L404 ceAbstractionStarter]: At program point L1445(line 1445) the Hoare annotation is: true [2018-01-21 06:12:57,395 INFO L401 ceAbstractionStarter]: For program point L1446(lines 1446 1447) no Hoare annotation was computed. [2018-01-21 06:12:57,395 INFO L401 ceAbstractionStarter]: For program point probe2_6FINAL(lines 1443 1460) no Hoare annotation was computed. [2018-01-21 06:12:57,395 INFO L401 ceAbstractionStarter]: For program point g6EXIT(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 06:12:57,395 INFO L401 ceAbstractionStarter]: For program point g6FINAL(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 06:12:57,395 INFO L404 ceAbstractionStarter]: At program point g6ENTRY(lines 1438 1440) the Hoare annotation is: true [2018-01-21 06:12:57,395 INFO L401 ceAbstractionStarter]: For program point g6Err0EnsuresViolation(lines 1438 1440) no Hoare annotation was computed. [2018-01-21 06:12:57,397 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:57,397 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:57,398 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:57,398 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:57,398 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:57,398 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:57,398 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:57,398 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 06:12:57,398 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 06:12:57,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-01-21 06:12:57,400 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:57,401 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-01-21 06:12:57,401 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 06:12:57,401 INFO L82 PathProgramCache]: Analyzing trace with hash 96601323, now seen corresponding path program 1 times [2018-01-21 06:12:57,401 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:57,403 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,403 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:57,403 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,403 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 06:12:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 06:12:57,437 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 06:12:57,442 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 06:12:57,445 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8 could not be translated for associated CType STRUCT#?p~$Pointer$# [2018-01-21 06:12:57,446 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 5 could not be translated for associated CType STRUCT#?p~$Pointer$# [2018-01-21 06:12:57,446 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 8 could not be translated for associated CType STRUCT#?p~$Pointer$# [2018-01-21 06:12:57,446 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 5 could not be translated for associated CType STRUCT#?p~$Pointer$# [2018-01-21 06:12:57,450 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:57,450 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:57,450 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:57,450 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:57,450 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:57,450 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:57,450 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:57,450 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 06:12:57,451 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 06:12:57,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 06:12:57,454 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:57,454 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 06:12:57,454 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 06:12:57,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1405393239, now seen corresponding path program 1 times [2018-01-21 06:12:57,455 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:57,456 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,456 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:57,456 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,456 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:57,469 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:57,535 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 06:12:57,536 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:57,536 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 06:12:57,536 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:57,536 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 06:12:57,537 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 06:12:57,537 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 06:12:57,537 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 06:12:57,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:57,563 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 06:12:57,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:57,563 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 06:12:57,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:57,564 INFO L225 Difference]: With dead ends: 62 [2018-01-21 06:12:57,564 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:57,565 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 06:12:57,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:57,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:57,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 06:12:57,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:57,566 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:57,566 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 06:12:57,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:57,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:57,568 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:57,568 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:57,568 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:57,568 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:57,568 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:57,568 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:57,568 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:57,569 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 06:12:57,569 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 06:12:57,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-21 06:12:57,571 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:57,572 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 06:12:57,572 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 06:12:57,572 INFO L82 PathProgramCache]: Analyzing trace with hash -896860598, now seen corresponding path program 1 times [2018-01-21 06:12:57,572 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:57,574 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,574 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:57,574 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,574 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:57,587 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:57,675 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 06:12:57,675 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:57,675 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 06:12:57,675 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:57,676 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 06:12:57,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 06:12:57,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 06:12:57,676 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 06:12:57,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:57,711 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 06:12:57,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:57,711 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-01-21 06:12:57,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:57,712 INFO L225 Difference]: With dead ends: 62 [2018-01-21 06:12:57,712 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:57,712 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 06:12:57,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:57,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:57,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:57,713 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-01-21 06:12:57,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:57,714 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:57,714 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 06:12:57,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:57,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:57,716 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:57,716 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:57,716 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:57,716 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:57,716 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:57,716 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:57,716 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:57,716 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == disconnect_6Err0EnsuresViolation======== [2018-01-21 06:12:57,717 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:57,718 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 06:12:57,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 06:12:57,719 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:57,719 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 06:12:57,719 INFO L371 AbstractCegarLoop]: === Iteration 1 === [disconnect_6Err0EnsuresViolation]=== [2018-01-21 06:12:57,720 INFO L82 PathProgramCache]: Analyzing trace with hash -213900869, now seen corresponding path program 1 times [2018-01-21 06:12:57,720 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:57,721 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,721 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:57,721 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,722 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:57,733 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:57,803 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 06:12:57,803 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:57,803 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 06:12:57,804 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:57,804 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 06:12:57,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 06:12:57,805 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 06:12:57,805 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 06:12:57,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:57,831 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 06:12:57,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:57,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-21 06:12:57,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:57,832 INFO L225 Difference]: With dead ends: 62 [2018-01-21 06:12:57,832 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:57,832 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 06:12:57,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:57,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:57,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:57,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:57,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 06:12:57,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:57,833 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:57,833 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 06:12:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:57,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:57,835 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:57,835 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:57,835 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:57,835 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:57,835 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:57,835 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:57,835 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:57,835 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-21 06:12:57,835 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:57,836 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 06:12:57,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-21 06:12:57,838 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:57,838 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 06:12:57,838 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-21 06:12:57,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1491802513, now seen corresponding path program 1 times [2018-01-21 06:12:57,839 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:57,840 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,840 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:57,840 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,841 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:57,851 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:57,903 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 06:12:57,903 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:57,904 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 06:12:57,904 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:57,904 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 06:12:57,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 06:12:57,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 06:12:57,905 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 06:12:57,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:57,926 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 06:12:57,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:57,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-01-21 06:12:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:57,927 INFO L225 Difference]: With dead ends: 62 [2018-01-21 06:12:57,928 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:57,928 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 06:12:57,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:57,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:57,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:57,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:57,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-21 06:12:57,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:57,929 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:57,929 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 06:12:57,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:57,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:57,931 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:57,931 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:57,931 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:57,931 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:57,931 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:57,931 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:57,932 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:57,932 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == probe2_6Err0EnsuresViolation======== [2018-01-21 06:12:57,932 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 06:12:57,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 06:12:57,934 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:57,934 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 06:12:57,934 INFO L371 AbstractCegarLoop]: === Iteration 1 === [probe2_6Err0EnsuresViolation]=== [2018-01-21 06:12:57,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1362254106, now seen corresponding path program 1 times [2018-01-21 06:12:57,934 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:57,936 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,936 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:57,936 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:57,936 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:57,945 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:57,990 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 06:12:57,990 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:57,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 06:12:57,990 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:57,990 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 06:12:57,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 06:12:57,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 06:12:57,991 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 06:12:58,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:58,011 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 06:12:58,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:58,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-01-21 06:12:58,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:58,012 INFO L225 Difference]: With dead ends: 62 [2018-01-21 06:12:58,012 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:58,013 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 06:12:58,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:58,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:58,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:58,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:58,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-01-21 06:12:58,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:58,014 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:58,014 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 06:12:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:58,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:58,016 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:12:58,016 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:12:58,016 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:12:58,016 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:12:58,016 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:12:58,016 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:12:58,016 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:12:58,016 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == g6Err0EnsuresViolation======== [2018-01-21 06:12:58,016 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:12:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-01-21 06:12:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-21 06:12:58,019 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:12:58,019 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 06:12:58,019 INFO L371 AbstractCegarLoop]: === Iteration 1 === [g6Err0EnsuresViolation]=== [2018-01-21 06:12:58,019 INFO L82 PathProgramCache]: Analyzing trace with hash 385265649, now seen corresponding path program 1 times [2018-01-21 06:12:58,019 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:12:58,020 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:58,021 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:12:58,021 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:12:58,021 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:12:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:12:58,029 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:12:58,108 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 06:12:58,108 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 06:12:58,108 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 06:12:58,108 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:12:58,109 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 06:12:58,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 06:12:58,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-21 06:12:58,109 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-01-21 06:12:58,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:12:58,128 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2018-01-21 06:12:58,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 06:12:58,128 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-21 06:12:58,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:12:58,128 INFO L225 Difference]: With dead ends: 62 [2018-01-21 06:12:58,129 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 06:12:58,129 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 06:12:58,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 06:12:58,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 06:12:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 06:12:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 06:12:58,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-21 06:12:58,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:12:58,130 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 06:12:58,130 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 06:12:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 06:12:58,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 06:12:58,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 06:12:58 BoogieIcfgContainer [2018-01-21 06:12:58,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 06:12:58,134 INFO L168 Benchmark]: Toolchain (without parser) took 2103.83 ms. Allocated memory was 308.3 MB in the beginning and 469.8 MB in the end (delta: 161.5 MB). Free memory was 267.2 MB in the beginning and 325.2 MB in the end (delta: -58.0 MB). Peak memory consumption was 103.5 MB. Max. memory is 5.3 GB. [2018-01-21 06:12:58,135 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 308.3 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 06:12:58,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.22 ms. Allocated memory is still 308.3 MB. Free memory was 267.2 MB in the beginning and 253.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. [2018-01-21 06:12:58,135 INFO L168 Benchmark]: Boogie Preprocessor took 37.95 ms. Allocated memory is still 308.3 MB. Free memory was 253.2 MB in the beginning and 251.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 06:12:58,135 INFO L168 Benchmark]: RCFGBuilder took 261.62 ms. Allocated memory is still 308.3 MB. Free memory was 251.3 MB in the beginning and 232.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. [2018-01-21 06:12:58,136 INFO L168 Benchmark]: TraceAbstraction took 1584.51 ms. Allocated memory was 308.3 MB in the beginning and 469.8 MB in the end (delta: 161.5 MB). Free memory was 232.3 MB in the beginning and 325.2 MB in the end (delta: -92.8 MB). Peak memory consumption was 68.6 MB. Max. memory is 5.3 GB. [2018-01-21 06:12:58,137 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 308.3 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 213.22 ms. Allocated memory is still 308.3 MB. Free memory was 267.2 MB in the beginning and 253.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.95 ms. Allocated memory is still 308.3 MB. Free memory was 253.2 MB in the beginning and 251.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 261.62 ms. Allocated memory is still 308.3 MB. Free memory was 251.3 MB in the beginning and 232.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1584.51 ms. Allocated memory was 308.3 MB in the beginning and 469.8 MB in the end (delta: 161.5 MB). Free memory was 232.3 MB in the beginning and 325.2 MB in the end (delta: -92.8 MB). Peak memory consumption was 68.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 8 could not be translated for associated CType STRUCT#?p~$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, 0.0s 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, 0.1s 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, 0.1s 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, 0.0s 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, 0.0s 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, 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_precise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_06-12-58-155.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_06-12-58-155.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_06-12-58-155.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_06-12-58-155.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_06-12-58-155.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_06-12-58-155.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_06-12-58-155.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_06-12-58-155.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_06-12-58-155.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_precise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_06-12-58-155.csv Received shutdown request...