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_test8_1_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 08:55:16,062 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 08:55:16,064 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 08:55:16,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 08:55:16,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 08:55:16,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 08:55:16,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 08:55:16,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 08:55:16,085 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 08:55:16,086 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 08:55:16,086 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 08:55:16,087 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 08:55:16,088 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 08:55:16,089 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 08:55:16,090 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 08:55:16,092 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 08:55:16,094 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 08:55:16,096 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 08:55:16,098 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 08:55:16,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 08:55:16,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 08:55:16,107 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 08:55:16,117 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 08:55:16,117 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 08:55:16,118 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 08:55:16,118 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 08:55:16,118 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 08:55:16,118 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 08:55:16,118 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-21 08:55:16,119 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 08:55:16,119 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 08:55:16,120 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 08:55:16,120 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 08:55:16,120 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 08:55:16,120 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 08:55:16,120 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 08:55:16,121 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 08:55:16,121 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 08:55:16,121 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 08:55:16,121 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 08:55:16,121 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 08:55:16,122 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 08:55:16,122 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 08:55:16,122 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 08:55:16,122 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 08:55:16,122 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 08:55:16,123 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 08:55:16,123 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 08:55:16,123 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 08:55:16,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 08:55:16,123 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 08:55:16,124 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 08:55:16,124 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 08:55:16,124 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 08:55:16,124 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 08:55:16,124 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 08:55:16,125 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 08:55:16,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 08:55:16,125 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 08:55:16,125 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 08:55:16,126 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 08:55:16,126 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 08:55:16,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 08:55:16,177 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 08:55:16,181 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 08:55:16,183 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 08:55:16,183 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 08:55:16,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test8_1_false-valid-memtrack_true-termination.i [2018-01-21 08:55:16,395 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 08:55:16,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 08:55:16,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 08:55:16,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 08:55:16,409 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 08:55:16,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:55:16" (1/1) ... [2018-01-21 08:55:16,413 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 08:55:16, skipping insertion in model container [2018-01-21 08:55:16,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 08:55:16" (1/1) ... [2018-01-21 08:55:16,429 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:55:16,478 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 08:55:16,584 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:55:16,596 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 08:55:16,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:16 WrapperNode [2018-01-21 08:55:16,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 08:55:16,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 08:55:16,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 08:55:16,604 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 08:55:16,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:16" (1/1) ... [2018-01-21 08:55:16,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:16" (1/1) ... [2018-01-21 08:55:16,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:16" (1/1) ... [2018-01-21 08:55:16,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:16" (1/1) ... [2018-01-21 08:55:16,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:16" (1/1) ... [2018-01-21 08:55:16,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:16" (1/1) ... [2018-01-21 08:55:16,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:16" (1/1) ... [2018-01-21 08:55:16,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 08:55:16,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 08:55:16,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 08:55:16,642 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 08:55:16,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:16" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 08:55:16,686 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 08:55:16,686 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 08:55:16,686 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 08:55:16,686 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_8 [2018-01-21 08:55:16,687 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 08:55:16,687 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 08:55:16,687 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 08:55:16,687 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 08:55:16,687 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 08:55:16,687 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 08:55:16,687 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 08:55:16,688 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 08:55:16,688 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_8 [2018-01-21 08:55:16,688 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 08:55:16,688 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 08:55:16,688 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 08:55:16,688 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 08:55:16,818 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 08:55:16,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:55:16 BoogieIcfgContainer [2018-01-21 08:55:16,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 08:55:16,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 08:55:16,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 08:55:16,822 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 08:55:16,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 08:55:16" (1/3) ... [2018-01-21 08:55:16,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d36849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:55:16, skipping insertion in model container [2018-01-21 08:55:16,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 08:55:16" (2/3) ... [2018-01-21 08:55:16,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d36849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 08:55:16, skipping insertion in model container [2018-01-21 08:55:16,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 08:55:16" (3/3) ... [2018-01-21 08:55:16,825 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test8_1_false-valid-memtrack_true-termination.i [2018-01-21 08:55:16,832 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 08:55:16,838 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-01-21 08:55:16,888 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:16,889 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:16,889 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:16,889 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:16,889 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:16,889 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:16,890 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:16,890 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-21 08:55:16,892 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-21 08:55:16,919 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:16,920 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:16,920 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 08:55:16,926 INFO L82 PathProgramCache]: Analyzing trace with hash 359206471, now seen corresponding path program 1 times [2018-01-21 08:55:16,929 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:16,987 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:16,987 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:16,987 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:16,987 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:17,040 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:17,101 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 08:55:17,104 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:17,105 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 08:55:17,105 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:17,107 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 08:55:17,117 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 08:55:17,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:17,120 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2018-01-21 08:55:17,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:17,307 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-01-21 08:55:17,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 08:55:17,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-01-21 08:55:17,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:17,316 INFO L225 Difference]: With dead ends: 32 [2018-01-21 08:55:17,316 INFO L226 Difference]: Without dead ends: 14 [2018-01-21 08:55:17,319 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 08:55:17,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-01-21 08:55:17,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-01-21 08:55:17,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-01-21 08:55:17,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2018-01-21 08:55:17,347 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 11 [2018-01-21 08:55:17,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:17,347 INFO L432 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2018-01-21 08:55:17,347 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 08:55:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-01-21 08:55:17,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 08:55:17,348 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:17,348 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:17,348 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-21 08:55:17,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1599941897, now seen corresponding path program 1 times [2018-01-21 08:55:17,349 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:17,352 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,352 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:17,352 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,352 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:17,430 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 08:55:17,441 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:17,444 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:17,456 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:17,456 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:17,456 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:17,457 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:17,457 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:17,457 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:17,457 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:17,457 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 08:55:17,457 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:17,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 08:55:17,459 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:17,459 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 08:55:17,459 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 08:55:17,459 INFO L82 PathProgramCache]: Analyzing trace with hash 57950, now seen corresponding path program 1 times [2018-01-21 08:55:17,459 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:17,461 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,461 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:17,461 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,461 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:17,472 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 08:55:17,473 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:17,474 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:17,474 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:17,474 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:17,474 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:17,474 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:17,475 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:17,475 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:17,475 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == alloc_8Err0EnsuresViolation======== [2018-01-21 08:55:17,475 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-21 08:55:17,477 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:17,477 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 08:55:17,477 INFO L371 AbstractCegarLoop]: === Iteration 1 === [alloc_8Err0EnsuresViolation]=== [2018-01-21 08:55:17,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1938526536, now seen corresponding path program 1 times [2018-01-21 08:55:17,478 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:17,479 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,480 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:17,480 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,480 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:17,495 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:17,538 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 08:55:17,538 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:17,538 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 08:55:17,538 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:17,539 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 08:55:17,539 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 08:55:17,539 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:17,539 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2018-01-21 08:55:17,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:17,604 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-01-21 08:55:17,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 08:55:17,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-01-21 08:55:17,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:17,605 INFO L225 Difference]: With dead ends: 32 [2018-01-21 08:55:17,605 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:17,606 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 08:55:17,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:17,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:17,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:17,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-01-21 08:55:17,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:17,608 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:17,608 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 08:55:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:17,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:17,611 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:17,611 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:17,611 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:17,611 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:17,611 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:17,611 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:17,612 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:17,612 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 08:55:17,612 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:17,613 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-21 08:55:17,614 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:17,614 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 08:55:17,614 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 08:55:17,615 INFO L82 PathProgramCache]: Analyzing trace with hash -418407308, now seen corresponding path program 1 times [2018-01-21 08:55:17,615 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:17,616 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,616 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:17,616 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,616 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 08:55:17,649 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 08:55:17,652 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:17,654 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:17,655 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:17,655 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:17,656 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:17,656 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 08:55:17,661 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:17,661 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:17,661 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:17,661 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:17,661 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:17,662 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:17,662 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:17,662 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 08:55:17,662 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:17,663 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:17,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-21 08:55:17,664 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:17,665 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 08:55:17,665 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 08:55:17,665 INFO L82 PathProgramCache]: Analyzing trace with hash 191743170, now seen corresponding path program 1 times [2018-01-21 08:55:17,665 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:17,666 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,667 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:17,667 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,667 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:17,680 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:17,721 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 08:55:17,722 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:17,722 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 08:55:17,722 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:17,722 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 08:55:17,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 08:55:17,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:17,723 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2018-01-21 08:55:17,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:17,779 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-01-21 08:55:17,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 08:55:17,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-01-21 08:55:17,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:17,780 INFO L225 Difference]: With dead ends: 32 [2018-01-21 08:55:17,780 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:17,780 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 08:55:17,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:17,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:17,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-01-21 08:55:17,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:17,781 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:17,781 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 08:55:17,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:17,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:17,782 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 08:55:17,782 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 08:55:17,782 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 08:55:17,782 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 08:55:17,782 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 08:55:17,783 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 08:55:17,783 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 08:55:17,783 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-21 08:55:17,783 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 08:55:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-21 08:55:17,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-21 08:55:17,784 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 08:55:17,784 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 08:55:17,784 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-21 08:55:17,785 INFO L82 PathProgramCache]: Analyzing trace with hash -513766385, now seen corresponding path program 1 times [2018-01-21 08:55:17,785 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 08:55:17,786 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,786 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 08:55:17,786 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 08:55:17,786 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 08:55:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 08:55:17,798 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 08:55:17,825 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 08:55:17,826 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 08:55:17,826 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 08:55:17,826 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 08:55:17,826 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 08:55:17,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 08:55:17,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 08:55:17,827 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2018-01-21 08:55:17,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 08:55:17,871 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-01-21 08:55:17,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 08:55:17,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-01-21 08:55:17,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 08:55:17,873 INFO L225 Difference]: With dead ends: 32 [2018-01-21 08:55:17,873 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 08:55:17,873 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 08:55:17,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 08:55:17,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 08:55:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 08:55:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 08:55:17,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-21 08:55:17,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 08:55:17,874 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 08:55:17,875 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 08:55:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 08:55:17,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 08:55:17,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 08:55:17 BoogieIcfgContainer [2018-01-21 08:55:17,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 08:55:17,879 INFO L168 Benchmark]: Toolchain (without parser) took 1482.96 ms. Allocated memory was 305.1 MB in the beginning and 468.2 MB in the end (delta: 163.1 MB). Free memory was 262.5 MB in the beginning and 384.8 MB in the end (delta: -122.4 MB). Peak memory consumption was 40.7 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:17,880 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 305.1 MB. Free memory is still 268.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 08:55:17,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.16 ms. Allocated memory is still 305.1 MB. Free memory was 262.5 MB in the beginning and 248.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:17,881 INFO L168 Benchmark]: Boogie Preprocessor took 37.54 ms. Allocated memory is still 305.1 MB. Free memory is still 248.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 08:55:17,881 INFO L168 Benchmark]: RCFGBuilder took 177.82 ms. Allocated memory is still 305.1 MB. Free memory was 248.5 MB in the beginning and 233.9 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:17,881 INFO L168 Benchmark]: TraceAbstraction took 1057.97 ms. Allocated memory was 305.1 MB in the beginning and 468.2 MB in the end (delta: 163.1 MB). Free memory was 233.9 MB in the beginning and 384.8 MB in the end (delta: -150.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. [2018-01-21 08:55:17,883 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 305.1 MB. Free memory is still 268.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 202.16 ms. Allocated memory is still 305.1 MB. Free memory was 262.5 MB in the beginning and 248.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.54 ms. Allocated memory is still 305.1 MB. Free memory is still 248.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 177.82 ms. Allocated memory is still 305.1 MB. Free memory was 248.5 MB in the beginning and 233.9 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1057.97 ms. Allocated memory was 305.1 MB in the beginning and 468.2 MB in the end (delta: 163.1 MB). Free memory was 233.9 MB in the beginning and 384.8 MB in the end (delta: -150.9 MB). Peak memory consumption was 12.2 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: [L1434] int *a8; VAL [\old(a8)=0, \old(a8)=0, a8={0:0}] [L1451] CALL entry_point() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}] [L1445] CALL alloc_8() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}] [L1437] CALL ldv_malloc(sizeof(int)) VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, a8={0:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, a8={0:0}, malloc(size)={7:0}, size=4] [L1074] return malloc(size); VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, \result={7:0}, a8={0:0}, malloc(size)={7:0}, 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: [L1434] int *a8; VAL [\old(a8)=3, \old(a8)=1, a8={0:0}] - 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 - PositiveResult [Line: 1436]: 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: alloc_8Err0EnsuresViolation 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, 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 - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1434] int *a8; VAL [\old(a8)=0, \old(a8)=0, a8={0:0}] [L1451] CALL entry_point() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}] [L1445] CALL alloc_8() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, a8={0:0}] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] RET return 0; VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, \result={0:0}, a8={0:0}, size=4] [L1437] EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_malloc(sizeof(int))={0:0}] [L1437] RET a8 = (int *)ldv_malloc(sizeof(int)) [L1445] alloc_8() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}] [L1447] RET a8 = 0 VAL [\old(a8)=0, \old(a8)=0, a8={0:0}] [L1451] entry_point() VAL [a8={0:0}] - 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: 1450]: 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: 1444]: 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, 0.0s 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 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_08-55-17-893.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_08-55-17-893.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_08-55-17-893.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_08-55-17-893.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_08-55-17-893.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_08-55-17-893.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test8_1_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_08-55-17-893.csv Received shutdown request...