java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test5_1_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 08:55:05,026 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 08:55:05,027 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 08:55:05,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 08:55:05,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 08:55:05,044 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 08:55:05,045 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 08:55:05,047 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 08:55:05,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 08:55:05,050 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 08:55:05,051 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 08:55:05,051 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 08:55:05,052 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 08:55:05,054 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 08:55:05,055 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 08:55:05,057 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 08:55:05,060 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 08:55:05,062 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 08:55:05,064 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 08:55:05,065 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 08:55:05,068 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 08:55:05,074 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf [2018-01-21 08:55:05,083 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 08:55:05,083 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 08:55:05,084 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 08:55:05,084 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 08:55:05,084 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 08:55:05,084 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 08:55:05,084 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-21 08:55:05,085 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 08:55:05,085 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 08:55:05,085 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 08:55:05,085 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 08:55:05,086 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 08:55:05,086 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 08:55:05,086 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 08:55:05,086 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 08:55:05,086 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 08:55:05,086 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 08:55:05,086 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 08:55:05,087 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 08:55:05,087 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 08:55:05,087 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 08:55:05,087 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 08:55:05,087 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 08:55:05,087 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 08:55:05,088 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 08:55:05,088 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 08:55:05,088 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 08:55:05,088 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 08:55:05,088 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 08:55:05,088 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 08:55:05,089 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 08:55:05,089 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 08:55:05,089 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 08:55:05,089 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 08:55:05,089 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 08:55:05,089 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 08:55:05,089 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 08:55:05,089 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 08:55:05,090 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 08:55:05,090 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 08:55:05,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 08:55:05,135 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 08:55:05,138 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 08:55:05,140 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 08:55:05,140 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 08:55:05,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test5_1_false-valid-memtrack_true-termination.i [2018-01-21 08:55:05,339 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 08:55:05,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 08:55:05,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 08:55:05,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 08:55:05,353 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 08:55:05,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:55:05" (1/1) ... [2018-01-21 08:55:05,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c7d0dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:05, skipping insertion in model container [2018-01-21 08:55:05,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:55:05" (1/1) ... [2018-01-21 08:55:05,382 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:55:05,445 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:55:05,559 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:55:05,572 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:55:05,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:05 WrapperNode [2018-01-21 08:55:05,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 08:55:05,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 08:55:05,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 08:55:05,579 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 08:55:05,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:05" (1/1) ... [2018-01-21 08:55:05,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:05" (1/1) ... [2018-01-21 08:55:05,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:05" (1/1) ... [2018-01-21 08:55:05,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:05" (1/1) ... [2018-01-21 08:55:05,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:05" (1/1) ... [2018-01-21 08:55:05,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:05" (1/1) ... [2018-01-21 08:55:05,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:05" (1/1) ... [2018-01-21 08:55:05,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 08:55:05,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 08:55:05,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 08:55:05,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 08:55:05,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:05" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 08:55:05,662 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 08:55:05,662 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 08:55:05,662 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 08:55:05,662 INFO L136 BoogieDeclarations]: Found implementation of procedure f5 [2018-01-21 08:55:05,662 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 08:55:05,663 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 08:55:05,663 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 08:55:05,663 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 08:55:05,663 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 08:55:05,663 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 08:55:05,663 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 08:55:05,664 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 08:55:05,664 INFO L128 BoogieDeclarations]: Found specification of procedure f5 [2018-01-21 08:55:05,664 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 08:55:05,664 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 08:55:05,664 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 08:55:05,664 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 08:55:05,783 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 08:55:05,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:55:05 BoogieIcfgContainer [2018-01-21 08:55:05,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 08:55:05,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 08:55:05,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 08:55:05,786 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 08:55:05,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 08:55:05" (1/3) ... [2018-01-21 08:55:05,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232396f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:55:05, skipping insertion in model container [2018-01-21 08:55:05,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:05" (2/3) ... [2018-01-21 08:55:05,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232396f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:55:05, skipping insertion in model container [2018-01-21 08:55:05,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:55:05" (3/3) ... [2018-01-21 08:55:05,789 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test5_1_false-valid-memtrack_true-termination.i [2018-01-21 08:55:05,796 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 08:55:05,802 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-01-21 08:55:05,839 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:05,839 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:05,839 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:05,839 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:05,839 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:05,840 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:05,840 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:05,840 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-21 08:55:05,840 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:05,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 08:55:05,867 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:05,868 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:05,868 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 08:55:05,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1366385859, now seen corresponding path program 1 times [2018-01-21 08:55:05,875 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:05,926 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:05,926 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:05,926 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:05,926 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:05,973 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:06,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:55:06,035 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:06,035 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 08:55:06,036 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:06,039 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 08:55:06,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 08:55:06,055 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:06,058 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2018-01-21 08:55:06,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:06,181 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-01-21 08:55:06,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 08:55:06,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-01-21 08:55:06,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:06,255 INFO L225 Difference]: With dead ends: 32 [2018-01-21 08:55:06,255 INFO L226 Difference]: Without dead ends: 14 [2018-01-21 08:55:06,259 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:06,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-01-21 08:55:06,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-01-21 08:55:06,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-01-21 08:55:06,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2018-01-21 08:55:06,289 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 11 [2018-01-21 08:55:06,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:06,289 INFO L432 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2018-01-21 08:55:06,289 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 08:55:06,289 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-01-21 08:55:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 08:55:06,290 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:06,290 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:06,290 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 08:55:06,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1163089023, now seen corresponding path program 1 times [2018-01-21 08:55:06,291 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:06,293 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,293 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:06,293 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,293 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:06,361 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 08:55:06,370 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:06,372 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:06,381 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:06,381 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:06,381 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:06,381 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:06,381 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:06,381 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:06,381 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:06,381 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 08:55:06,381 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 08:55:06,383 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:06,383 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 08:55:06,383 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 08:55:06,383 INFO L82 PathProgramCache]: Analyzing trace with hash 56028, now seen corresponding path program 1 times [2018-01-21 08:55:06,383 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:06,384 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,385 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:06,385 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,385 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:06,394 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 08:55:06,395 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:06,397 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:06,397 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:06,397 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:06,397 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:06,397 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:06,397 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:06,398 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:06,398 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 08:55:06,398 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:06,399 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:06,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-21 08:55:06,400 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:06,400 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] [2018-01-21 08:55:06,401 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 08:55:06,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1116338812, now seen corresponding path program 1 times [2018-01-21 08:55:06,401 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:06,403 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,403 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:06,403 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,403 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:06,438 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 08:55:06,440 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:06,441 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:06,441 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:06,441 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:06,442 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:06,442 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:06,444 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:06,444 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:06,444 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:06,444 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:06,444 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:06,444 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:06,444 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:06,444 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 08:55:06,444 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-21 08:55:06,446 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:06,446 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:06,446 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 08:55:06,446 INFO L82 PathProgramCache]: Analyzing trace with hash 765406604, now seen corresponding path program 1 times [2018-01-21 08:55:06,446 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:06,448 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,448 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:06,448 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,448 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:06,460 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:55:06,505 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:06,506 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 08:55:06,506 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:06,506 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 08:55:06,506 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 08:55:06,507 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:06,507 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2018-01-21 08:55:06,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:06,576 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-01-21 08:55:06,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 08:55:06,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-01-21 08:55:06,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:06,577 INFO L225 Difference]: With dead ends: 32 [2018-01-21 08:55:06,577 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:06,578 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:06,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:06,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:06,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:06,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:06,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-01-21 08:55:06,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:06,579 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:06,579 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 08:55:06,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:06,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:06,581 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:06,582 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:06,582 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:06,582 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:06,582 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:06,582 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:06,582 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:06,582 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-21 08:55:06,582 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-21 08:55:06,585 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:06,585 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:06,585 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-21 08:55:06,585 INFO L82 PathProgramCache]: Analyzing trace with hash 380684315, now seen corresponding path program 1 times [2018-01-21 08:55:06,585 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:06,587 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,587 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:06,587 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,587 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:06,598 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:55:06,632 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:06,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 08:55:06,632 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:06,632 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 08:55:06,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 08:55:06,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:06,633 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2018-01-21 08:55:06,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:06,680 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-01-21 08:55:06,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 08:55:06,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-01-21 08:55:06,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:06,681 INFO L225 Difference]: With dead ends: 32 [2018-01-21 08:55:06,681 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:06,682 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:06,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:06,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:06,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-21 08:55:06,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:06,683 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:06,683 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 08:55:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:06,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:06,684 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:06,684 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:06,684 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:06,684 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:06,684 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:06,685 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:06,685 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:06,685 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == f5Err0EnsuresViolation======== [2018-01-21 08:55:06,685 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:06,685 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-21 08:55:06,686 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:06,686 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:06,687 INFO L371 AbstractCegarLoop]: === Iteration 1 === [f5Err0EnsuresViolation]=== [2018-01-21 08:55:06,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1698911594, now seen corresponding path program 1 times [2018-01-21 08:55:06,687 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:06,688 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,688 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:06,688 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:06,689 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:06,698 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 08:55:06,734 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:06,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 08:55:06,735 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:06,735 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 08:55:06,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 08:55:06,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:06,736 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2018-01-21 08:55:06,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:06,775 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-01-21 08:55:06,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 08:55:06,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-01-21 08:55:06,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:06,776 INFO L225 Difference]: With dead ends: 32 [2018-01-21 08:55:06,776 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:06,777 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:06,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:06,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:06,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-01-21 08:55:06,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:06,777 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:06,777 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 08:55:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:06,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:06,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 08:55:06 BoogieIcfgContainer [2018-01-21 08:55:06,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 08:55:06,780 INFO L168 Benchmark]: Toolchain (without parser) took 1440.96 ms. Allocated memory was 301.5 MB in the beginning and 458.2 MB in the end (delta: 156.8 MB). Free memory was 258.8 MB in the beginning and 386.6 MB in the end (delta: -127.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:06,781 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 301.5 MB. Free memory is still 265.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 08:55:06,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.25 ms. Allocated memory is still 301.5 MB. Free memory was 258.8 MB in the beginning and 246.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:06,782 INFO L168 Benchmark]: Boogie Preprocessor took 33.34 ms. Allocated memory is still 301.5 MB. Free memory was 246.6 MB in the beginning and 244.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:06,782 INFO L168 Benchmark]: RCFGBuilder took 171.60 ms. Allocated memory is still 301.5 MB. Free memory was 244.6 MB in the beginning and 232.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:06,782 INFO L168 Benchmark]: TraceAbstraction took 995.02 ms. Allocated memory was 301.5 MB in the beginning and 458.2 MB in the end (delta: 156.8 MB). Free memory was 231.0 MB in the beginning and 386.6 MB in the end (delta: -155.6 MB). Peak memory consumption was 1.2 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:06,784 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 301.5 MB. Free memory is still 265.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 233.25 ms. Allocated memory is still 301.5 MB. Free memory was 258.8 MB in the beginning and 246.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.34 ms. Allocated memory is still 301.5 MB. Free memory was 246.6 MB in the beginning and 244.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 171.60 ms. Allocated memory is still 301.5 MB. Free memory was 244.6 MB in the beginning and 232.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 995.02 ms. Allocated memory was 301.5 MB in the beginning and 458.2 MB in the end (delta: 156.8 MB). Free memory was 231.0 MB in the beginning and 386.6 MB in the end (delta: -155.6 MB). Peak memory consumption was 1.2 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) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1072]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1443] CALL entry_point() [L1439] CALL f5() [L1435] CALL ldv_malloc(sizeof(int)) VAL [\old(size)=4] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) VAL [\old(size)=4, malloc(size)={6:0}, size=4] [L1074] return malloc(size); VAL [\old(size)=4, \result={6:0}, malloc(size)={6:0}, size=4] - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_mallocErr0EnsuresViolation CFG has 6 procedures, 30 locations, 6 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 7 SDslu, 1 SDs, 0 SdLazy, 16 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 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: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 6 procedures, 30 locations, 6 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=30occurred 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, 3 NumberOfCodeBlocks, 3 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 - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1443] CALL entry_point() [L1439] CALL f5() [L1435] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] RET return 0; VAL [\old(size)=4, \result={0:0}, size=4] [L1435] EXPR ldv_malloc(sizeof(int)) VAL [ldv_malloc(sizeof(int))={0:0}] [L1435] RET int *p = (int *)ldv_malloc(sizeof(int)); [L1439] RET f5() VAL [f5()={2:3}] [L1443] entry_point() - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 6 procedures, 30 locations, 6 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=30occurred 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, 21 NumberOfCodeBlocks, 21 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: 1442]: 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 6 procedures, 30 locations, 6 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 2 SDslu, 1 SDs, 0 SdLazy, 16 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 828 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: entry_pointErr0EnsuresViolation CFG has 6 procedures, 30 locations, 6 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 3 SDslu, 1 SDs, 0 SdLazy, 16 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 608 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: 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: f5Err0EnsuresViolation CFG has 6 procedures, 30 locations, 6 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 5 SDslu, 1 SDs, 0 SdLazy, 16 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 351 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 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_08-55-06-792.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_08-55-06-792.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_08-55-06-792.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_08-55-06-792.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_08-55-06-792.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_08-55-06-792.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_08-55-06-792.csv Received shutdown request...